Question

7x+15= 3x+31
$7x + 15 = 3x + 31$
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Answer 1

Answer:

x = 4

Step-by-step explanation:

7x + 15 = 3x + 31              (Subtract 3x from both sides)

4x + 15 = 31                      (Subtract 15 from both sides)

4x         = 16                      (Divide by 4 both sides)

x = 4