kaydence29 kaydence29
  • 10-09-2021
  • Mathematics
contestada

Find x

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

Find x HI x12 IJ 16x HJ 20 class=

Respuesta :

chrisreid1973
chrisreid1973 chrisreid1973
  • 10-09-2021

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

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