Answer:
x = 10
Step-by-step explanation:
1) Multiply both sides by 4.
18 + x =7 × 4
2) Simplify 7 × 4 to 28
18 + x = 28
3) Subtract 18 from both sides.
x = 28 − 18
4) Simplify 28 − 18 to 10.
X=10
(18+X)/4 = 7
*4. *4
____________
18+X = 28
-18 -18
X = 10
