Question

Solve for x..................

Answer 1

x = 4

Explanation:

(5x+131)° and (5x+19)° are supplementary. Therefore, (5x+19)° + (5x+131)° equals to 180°.

Knowing that, we can do the following:

• (5x+19) + (5x+131) = 180
• 5x + 19 + 5x + 131 = 180
• 10x + 140 = 180
• 10x = 40
• x = 4