anonymous
  • anonymous
linear equation 6m-7=8m+19
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
help me with steps please. ;)
anonymous
  • anonymous
ohhh @misty1212
anonymous
  • anonymous
@Mehek14

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anonymous
  • anonymous
yea
anonymous
  • anonymous
@misty1212 @pooja195 @Michele_Laino
anonymous
  • anonymous
Step 1: add 7 to both sides Step 2: subtract 8m from both sides Hint: you should now have: -2m = 26 Step 3: divide both sides by -2
anonymous
  • anonymous
ok one second then while i figure it out
phi
  • phi
to add 7 to both sides, write +7 on both sides like this 6m-7 + 7 =8m+19+7 notice you can simplify -7+7 on the left side. and 19+7 on the right side what do you get ?
anonymous
  • anonymous
sorry about that 26
anonymous
  • anonymous
but i thought you added 6m 8m first?
phi
  • phi
you can do this in different order. but if we follow Xep's order (why not?) we do 6m-7 + 7 =8m+19+7 yes 19+7 is 26 so we have 6m -7 + 7 = 8m + 26 what about -7+7 ?
anonymous
  • anonymous
sorry i'm kind of on and off. :P
anonymous
  • anonymous
ok
anonymous
  • anonymous
First you subtract 8m from both sides. Then add 7 to both sides. Then divide both sides of of the equation by -2 So ..... here is how to divide it. -2m / -2 = -26/-2 M = ?
phi
  • phi
I assume you can simplify 7+ -7 , right ?
anonymous
  • anonymous
0
phi
  • phi
and 0 adding to anything (even 6m) does not change it. in other words 6m+0 is just 6m you now have 6m = 8m + 26 we want the "m"'s on the other side from the numbers one way is add -8m to both sides, like this -8m + 6m = -8m + 8m + 26
phi
  • phi
on the right side you have 8 m's take away 8 m's (that is what -8m + 8m means) in other words , you get 0 for that part.
phi
  • phi
on the left, it's 6 m's take away 8 m's (we will get a negative number, but that is ok)

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