Coolguy34
  • Coolguy34
please help. i need the step by step solution for this equation: 6x-8/7 = -1
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
No...
anonymous
  • anonymous
First step get everything with a variable on one side of the equation and all the numbers on the other side of the equation
Coolguy34
  • Coolguy34
ok what is the next step @nelsonjedi ?

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More answers

anonymous
  • anonymous
How would you get -8/7 to the other side of the equation?
Coolguy34
  • Coolguy34
i'm not sure.
Coolguy34
  • Coolguy34
-8/7 would cancel out and -1 would turn into -2
anonymous
  • anonymous
Sorry what happens when you add 8/7 to both sides of the equation
anonymous
  • anonymous
The 8/7 will cancel out...but what is -1+8/7
Coolguy34
  • Coolguy34
i did that and it said -2.142857143
anonymous
  • anonymous
-1 is the same as -7/7....so in fractions what is -7/7+8/7
Coolguy34
  • Coolguy34
it still gave me the same answer
anonymous
  • anonymous
|dw:1446339443588:dw|
shootforthestars
  • shootforthestars
I think that x= 1/6, because 6(1/6) = 1 1-8 =-7 -7/7 = -1
Coolguy34
  • Coolguy34
no it's -8/7
Coolguy34
  • Coolguy34
not positive 8/7
anonymous
  • anonymous
You cannot cancel out -8/7 with -8/7....
anonymous
  • anonymous
|dw:1446339640050:dw|
Coolguy34
  • Coolguy34
ok
anonymous
  • anonymous
But you have to solve for x..so what do you do now?
Coolguy34
  • Coolguy34
divide buy 6?
anonymous
  • anonymous
Yes...both sides
Coolguy34
  • Coolguy34
so x=.02?
anonymous
  • anonymous
I think you need to answers as a fraction....
Coolguy34
  • Coolguy34
2/100?
anonymous
  • anonymous
No
Coolguy34
  • Coolguy34
i did 1/7 divided 6 and i got 2/100
anonymous
  • anonymous
You did it in the calculator and it rounded off. do you know how to divide fractions?
Coolguy34
  • Coolguy34
not really
anonymous
  • anonymous
1/7 divided by 6....what does 6 look like as a fraction?
Coolguy34
  • Coolguy34
6/6
Coolguy34
  • Coolguy34
wait no
Coolguy34
  • Coolguy34
6/1
anonymous
  • anonymous
Good so we have 1/7 divided by 6/1 |dw:1446340283273:dw|
Coolguy34
  • Coolguy34
85/100?
anonymous
  • anonymous
Do dived fractions all you do is take the denominator (the bottom fraction) flip it around and multiply it be the top fraction...
anonymous
  • anonymous
|dw:1446340402427:dw|
Coolguy34
  • Coolguy34
i still got 85/100
anonymous
  • anonymous
Can you multiply fractions?
Coolguy34
  • Coolguy34
yes and when i divided the product i got .8571428571 which rounds out to .85 or 85/100
anonymous
  • anonymous
Stop with the calculator.....|dw:1446340725394:dw|
anonymous
  • anonymous
You simply multiply straight across...that calculator is going to give you trouble.
Coolguy34
  • Coolguy34
you told me to flip them so i did
Coolguy34
  • Coolguy34
oh whoops
Coolguy34
  • Coolguy34
i flipped 1/6 not 6/1
anonymous
  • anonymous
Oh you flipped them back I see
Coolguy34
  • Coolguy34
the correct answer is 23/100
Coolguy34
  • Coolguy34
right?
Coolguy34
  • Coolguy34
@nelsonjedi
anonymous
  • anonymous
no the correct answer is 1/42
anonymous
  • anonymous
yes 1/42
Coolguy34
  • Coolguy34
which is also 23/100
Coolguy34
  • Coolguy34
i checked
anonymous
  • anonymous
no.. 23/100 equals 0.23 and 1/42 equals 0.0238 there is a difference

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