You can put this solution on YOUR website! Remove parenthesis first. Then collect like terms. Solve for the variable.
(2/5)(3x+9)=3(3-3x)+15
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Multiply both sides by 5 to get rid of the fractions:
2(3x+9) = 15(3-3x) + 15
6x+18 = 45 - 45x + 15
51x = 42
x = 14/17
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Cheers,
Stan H.