11. $x + 0.15x = 3.45$

11. $x + 0.15x = 3.45$

11. $x + 0.15x = 3.45$

Answer

Explanation:

Step1: Combine like - terms

$x+0.15x=(1 + 0.15)x=1.15x$. So the equation becomes $1.15x = 3.45$.

Step2: Solve for x

Divide both sides of the equation $1.15x = 3.45$ by 1.15. We get $x=\frac{3.45}{1.15}=3$.

Answer:

$x = 3$