Solve for x
x=12
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7x-30-4x=6
Subtract 4x from both sides.
3x-30=6
Combine 7x and -4x to get 3x.
3x=6+30
Add 30 to both sides.
3x=36
Add 6 and 30 to get 36.
x=\frac{36}{3}
Divide both sides by 3.
x=12
Divide 36 by 3 to get 12.
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