Question

1. $x - 20 + 2x = 35$

Explanation:

Step1: Combine like - terms

$x+2x - 20=35$ simplifies to $3x-20 = 35$.

Step2: Add 20 to both sides

$3x-20 + 20=35 + 20$, so $3x=55$.

Step3: Divide both sides by 3

$x=\frac{55}{3}$.

Answer:

$x=\frac{55}{3}$