Solve for x
x = \frac{12}{7} = 1\frac{5}{7} \approx 1.714285714
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3x-5+4x=7
Add 4x to both sides.
7x-5=7
Combine 3x and 4x to get 7x.
7x=7+5
Add 5 to both sides.
7x=12
Add 7 and 5 to get 12.
x=\frac{12}{7}
Divide both sides by 7.
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