Question

1. 18x - (8x - 7) = 67

Explanation:

Step1: Remove parentheses

$18x - 8x + 7 = 67$

Step2: Combine like terms

$10x + 7 = 67$

Step3: Isolate variable term

$10x = 67 - 7$
$10x = 60$

Step4: Solve for x

$x = \frac{60}{10}$

Answer:

$x = 6$