Find x

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

x=-4

Step-by-step explanation:

x+12+x+16=20

2x=20-28

x=-8/2

x=-4

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-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

y-1700=200(x+4)

step-by-step explanation:

200(x+4) is 200x + 800 she is saving 200 per week x is the weeks and the -1700 is. us that’s howmuch she already had