Answer:
(4x-10)+62=180
Step-by-step explanation:
4x-72=180
4x=180+72
x=252/4
x=63°
600
31 plus 29 is 60
60 x 10 = 600
12x+4y=40
-4 -4
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12x=36
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12 12
36÷12=3
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