Question

Find the value of x that makes a ll b

Answer 1

-35=x

Explanation:

2x+10=4x+80

-2x -2x

10=2x+80

-80 -80

-70=2x

÷2 ÷2

-35=x

Answer 2

x = 15

Explanation:

∠2 and ∠4 are same side interior angles and are supplementary, thus

2x + 10 + 4x + 80 = 180

6x + 90 = 180 ( subtract 90 from both sides )

6x = 90 ( divide both sides by 6 )

x = 15