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7x + 13 = 2x + 3 First, subtract 3 from both sides.
7x + 13 - 3 = 2x + 3 - 3
Simplify both sides.
7x + 10 = 2x
Now, subtract 2x from both sides.
7x - 2x + 10 = 2x - 2x
Simplify again.
5x + 10 = 0
Finally, subtract 10 from both sides, simplify, and divide both sides by 5.
5x + 10 - 10 = 0 - 10
5x = -10
x = -2
So the answer is x = -2.
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