Question

a) which equation can be used to find the value of x? x + 80 + 30 = 180 b) find the value of x. x =

Explanation:

Step1: Simplify the left - hand side

$x + 80+30=x + 110$
So the equation becomes $x + 110=180$.

Step2: Isolate x

Subtract 110 from both sides of the equation: $x=180 - 110$.

Step3: Calculate the value of x

$x = 70$.

Answer:

$70$