Question

1. 5(d + 1) - (2d - 3) = 53

Explanation:

Step1: Expand the parentheses

$5d + 5 - 2d + 3 = 53$

Step2: Combine like terms

$3d + 8 = 53$

Step3: Isolate the variable term

$3d = 53 - 8$
$3d = 45$

Step4: Solve for d

$d = \frac{45}{3}$

Answer:

$d = 15$