3 years ago

A

Mathematics

1 answer:

motikmotik3 years ago

3 0

Answer:

Step-by-step explanation:

180-(x+80) + 180-(2x+20) = 180 -70

180-x-80 + 180-2x-20 = 110

100-x + 160-2x = 110

260 - 3x = 110

-3x = -150

x = <u>50</u>

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