QUESTION:

2x+3=x+15

ANSWER:

x = 12

SOLUTION:

Step 1: Subtract x from both sides.

2x + 3 − x = x + 15 − x

x + 3= 15

Step 2: Subtract 3 from both sides.

x + 3 −3 = 15 −3

x=12

=12

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