Question

What's the equation to find x? what's the degree of each angle

Answer 1

3x +84= 180,

x= 32

Explanation:

m∠1 +m∠2= 180° (adj. ∠s on a str. line)

(x +84)° +(2x)°= 180°

x +84 +2x= 180

3x +84= 180

Solving the equation:

3x= 180 -84 (-84 on both sides)

3x= 96

x= 96 ÷3

x= 32