Question

Find x H,I x+12 I,J 16+x H,J 20

Answer 1

Answer:

x=-4

Step-by-step explanation:

x+12+x+16=20

2x=20-28

x=-8/2

x=-4

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Answer 2

Answer:

-4

Step-by-step explanation:

the diagram tells you that (x+12) + (16+x) = 20.

So...

x+12+16+x = 20

combine like terms.

2x+28 = 20

isolate x by subtracting 28 from both sides

2x = -8

divide by 2 to solve for x

x = -4