anonymous
  • anonymous
What is the value of x in the equation 2(2x − 5 − 4) = 160 − 17? 40.25 62.25 80.25 143.0
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
Start by combining like terms, like the -5 and -4, and the 160 and -17
anonymous
  • anonymous
ok 2(2x-9)=153
anonymous
  • anonymous
Okay, now divide both sides by 2

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anonymous
  • anonymous
2x-9=72.5?
anonymous
  • anonymous
you mean distribute?
anonymous
  • anonymous
Oh wait, you made a mistake when you subtracted the 17, it should have been 143
anonymous
  • anonymous
Then add nine to both sides, and divide by two, and you should have your answer
anonymous
  • anonymous
got confused.. ops
anonymous
  • anonymous
So back to the beginning. 2(2x-5-4)=160-17
anonymous
  • anonymous
You can reduce this to 2(2x-9)=143
anonymous
  • anonymous
right
anonymous
  • anonymous
So, without having to distribute the 2, since its already on the outside, you can just divide both sides by 2
anonymous
  • anonymous
ok
anonymous
  • anonymous
Now you can add nine to both sides to get the x term by itself
DecentNabeel
  • DecentNabeel
\[2\left(2x-5-4\right)=160-17\quad :\quad x=\frac{161}{4}\quad \left(\mathrm{Decimal:\quad }x=40.25\right)\]
anonymous
  • anonymous
Yes, after you add the nine, divide both sides by 2 to get your final answer, 40.25
anonymous
  • anonymous
ohhhh thankss guyss thanks for the explination
anonymous
  • anonymous
turn up
anonymous
  • anonymous
What is the solution to the following equation? 2(3x − 7) + 18 = 10 1 3 5 6
DecentNabeel
  • DecentNabeel
\[2\left(3x-7\right)+18=10\quad :\quad x=1\] 2(3x − 7) + 18 = 10 6x-14+18=10 6x+4=10 subtract 4 on both sides 6x-4+4=10-4 6x=6 x=1
DecentNabeel
  • DecentNabeel
are you understand @bby.nessa
anonymous
  • anonymous
yea i understand thanks
sohailiftikhar
  • sohailiftikhar
just take every terms without x to the right side of equation to get the value of x it's simple first try your own then ask for explanation that's the way of learning.

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