Solve for x
x=4
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6x+9x=20\times 3
Multiply both sides by 3.
15x=20\times 3
Combine 6x and 9x to get 15x.
15x=60
Multiply 20 and 3 to get 60.
x=\frac{60}{15}
Divide both sides by 15.
x=4
Divide 60 by 15 to get 4.
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