Solve for x
x=10
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7x+13-4x=43
Subtract 4x from both sides.
3x+13=43
Combine 7x and -4x to get 3x.
3x=43-13
Subtract 13 from both sides.
3x=30
Subtract 13 from 43 to get 30.
x=\frac{30}{3}
Divide both sides by 3.
x=10
Divide 30 by 3 to get 10.
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