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28x-14-7\left(3x+3\right)=2x-5
Multiply both sides of the equation by 14, the least common multiple of 2,14.
28x-14-21x-21=2x-5
Use the distributive property to multiply -7 by 3x+3.
7x-14-21=2x-5
Combine 28x and -21x to get 7x.
7x-35=2x-5
Subtract 21 from -14 to get -35.
7x-35-2x=-5
Subtract 2x from both sides.
5x-35=-5
Combine 7x and -2x to get 5x.
5x=-5+35
Add 35 to both sides.
5x=30
Add -5 and 35 to get 30.
x=\frac{30}{5}
Divide both sides by 5.
x=6
Divide 30 by 5 to get 6.