solve for d.\n4d - 7 = 21\nd = ?
solve for d.\n4d - 7 = 21\nd = ?
Answer
Answer:
7
Explanation:
Step1: Add 7 to both sides
$4d-7 + 7=21 + 7$ $4d=28$
Step2: Divide both sides by 4
$\frac{4d}{4}=\frac{28}{4}$ $d = 7$
solve for d.\n4d - 7 = 21\nd = ?
7
$4d-7 + 7=21 + 7$ $4d=28$
$\frac{4d}{4}=\frac{28}{4}$ $d = 7$