emilymontalvo00 emilymontalvo00
  • 28-09-2018
  • Mathematics
contestada

Solve the equation 4 - 2(x - 7) = -12 for x.

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cforclub cforclub
  • 28-09-2018

4-2(x-7)-4=-12-4

-2(x-7)=-16

-2(x-7)/-2 = -16/-2

x-7+7=8+7

x=15 should be the answer









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gleedidthat
gleedidthat gleedidthat
  • 28-09-2018


4-2= 2

2×x=2x
2×-7= -14

2x-14=-12

2x/2 =x

-12/2= -6

x-14=-6

-14+14= 0
-6+14= 8

×=8
Answer Link

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