Question

What is the value of X?

Answer 1

x=5

Explanation:

The sum of the angles of a triangle equal 180 degrees

91+ 8x+3 + 10x-4 = 180

Combine like terms

90 +18x = 180

Subtract 90 from each side

90-90+18x = 180-90

18x = 90

Divide by 18

18x/18 = 90/18

x =5