Question

Which equation has the solution x = 12?

(A
4x + 3 = 45
B
5x - 8= 68
2x - 5=29
3x +6=42

Answer 1

D). last one

Explanation:

a. 4x+3=45

4x=42

x=10.5 (incorrect)

b. 5x-8=68

5x=76

x=25.2 (incorrect)

c. 2x-5=29

2x=34

x=17 (incorrect)

d. 3x+6=42

3x=36

x=12