Question

90 + x + x + 20 = 180

Answer 1

the answer for your problem is 35

Answer 2

x = 35

Explanation:

90 + x + x + 20 = 180 ← collect like terms on left side

2x + 110 = 180 ( subtract 110 from both sides )

2x = 70 ( divide both sides by 2 )

x = 35