Question

Solve the equation for x:
| 4x - 3] = 7

Answer 1

x=-1, 5/2.

Explanation:

abs(4x-3)=7

4x-3=7, 4x-3=-7

4x=7+3=10

x=10/4=5/2

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4x=-7+3

4x=-4

x=-4/4=-1

Answer 2

x = 2.5 or 5/2

Explanation:

4x - 3 = 7

+3 +3

4x = 10

divide by 4

x = 2.5, or 5/2