marilynjoines543 marilynjoines543
  • 07-10-2020
  • Mathematics
contestada

What is the value of x?
64 68
(8x -12)
(2x + 18)

What is the value of x 64 68 8x 12 2x 18 class=

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sendnadiaanemail sendnadiaanemail
  • 07-10-2020
(8x - 12) + 64 + 68 = 180
(A straight line equals to 180)
8x - 12 + 132 = 180
Combine liked terms
8x + 120 = 180
-120 on both sides
8x = 40
/8 on both sides
x = 5

(8x - 12)
8(5) - 12
40 - 12
28

(2x + 18)
2(5) + 18
10 + 18
28

Answer:
x = 5
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