Solve for x
x=6
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6x-9+4x=51
Add 4x to both sides.
10x-9=51
Combine 6x and 4x to get 10x.
10x=51+9
Add 9 to both sides.
10x=60
Add 51 and 9 to get 60.
x=\frac{60}{10}
Divide both sides by 10.
x=6
Divide 60 by 10 to get 6.
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