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30x-6\left(\frac{2x}{3}+\frac{x}{2}\right)=2\left(9x-\frac{1}{2}\right)
Multiply both sides of the equation by 6, the least common multiple of 3,2.
30x-6\left(\frac{2\times 2x}{6}+\frac{3x}{6}\right)=2\left(9x-\frac{1}{2}\right)
To add or subtract expressions, expand them to make their denominators the same. Least common multiple of 3 and 2 is 6. Multiply \frac{2x}{3} times \frac{2}{2}. Multiply \frac{x}{2} times \frac{3}{3}.
30x-6\times \frac{2\times 2x+3x}{6}=2\left(9x-\frac{1}{2}\right)
Since \frac{2\times 2x}{6} and \frac{3x}{6} have the same denominator, add them by adding their numerators.
30x-6\times \frac{4x+3x}{6}=2\left(9x-\frac{1}{2}\right)
Do the multiplications in 2\times 2x+3x.
30x-6\times \frac{7x}{6}=2\left(9x-\frac{1}{2}\right)
Combine like terms in 4x+3x.
30x-\frac{6\times 7x}{6}=2\left(9x-\frac{1}{2}\right)
Express 6\times \frac{7x}{6} as a single fraction.
30x-7x=2\left(9x-\frac{1}{2}\right)
Cancel out 6 and 6.
23x=2\left(9x-\frac{1}{2}\right)
Combine 30x and -7x to get 23x.
23x=18x+2\left(-\frac{1}{2}\right)
Use the distributive property to multiply 2 by 9x-\frac{1}{2}.
23x=18x-1
Cancel out 2 and 2.
23x-18x=-1
Subtract 18x from both sides.
5x=-1
Combine 23x and -18x to get 5x.
x=\frac{-1}{5}
Divide both sides by 5.
x=-\frac{1}{5}
Fraction \frac{-1}{5} can be rewritten as -\frac{1}{5} by extracting the negative sign.