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2\left(x+3\right)-\left(2x-1\right)=6x+6
Multiply both sides of the equation by 6, the least common multiple of 3,6.
2x+6-\left(2x-1\right)=6x+6
Use the distributive property to multiply 2 by x+3.
2x+6-2x-\left(-1\right)=6x+6
To find the opposite of 2x-1, find the opposite of each term.
2x+6-2x+1=6x+6
The opposite of -1 is 1.
6+1=6x+6
Combine 2x and -2x to get 0.
7=6x+6
Add 6 and 1 to get 7.
6x+6=7
Swap sides so that all variable terms are on the left hand side.
6x=7-6
Subtract 6 from both sides.
6x=1
Subtract 6 from 7 to get 1.
x=\frac{1}{6}
Divide both sides by 6.