Solve for x
x=2
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7x-9=12-\left(2x+3\right)
Combine 4x and 3x to get 7x.
7x-9=12-2x-3
To find the opposite of 2x+3, find the opposite of each term.
7x-9=9-2x
Subtract 3 from 12 to get 9.
7x-9+2x=9
Add 2x to both sides.
9x-9=9
Combine 7x and 2x to get 9x.
9x=9+9
Add 9 to both sides.
9x=18
Add 9 and 9 to get 18.
x=\frac{18}{9}
Divide both sides by 9.
x=2
Divide 18 by 9 to get 2.
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