Question

Solve for x x + 58 , x + 128

Answer 1

From the diagram, angles x+58 and x+128 are supplementary, this means that their addition is equal to 180 degrees, that is,

x + 58 + x + 128 = 180

(x + x) + (58 + 128) = 180

2x + 186 = 180

2x = 180 - 186

2x = -6

x = (-6)/2

x = -3