Question

7x-8=13 what is the value of x

Answer 1

SOLUTION

Given the question in the question tab, the following are the solution steps to answer the question.

STEP 1: Write the given equation

$7x-8=13$

STEP 2: Find the value of x

$\begin{gathered} 7x-8=13 \\ \text{Add 8 to both sides} \\ 7x-8+8=13+8 \\ 7x=21 \\ \text{Divide both sides by the coefficient of x, i.e, 7} \\ \frac{7x}{7}=\frac{21}{7} \\ x=3 \end{gathered}$

Hence, the value of x in the equation is 3