Solve for x
x=43
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7x-15-3x=3\left(x+7\right)+7
Use the distributive property to multiply -3 by 5+x.
4x-15=3\left(x+7\right)+7
Combine 7x and -3x to get 4x.
4x-15=3x+21+7
Use the distributive property to multiply 3 by x+7.
4x-15=3x+28
Add 21 and 7 to get 28.
4x-15-3x=28
Subtract 3x from both sides.
x-15=28
Combine 4x and -3x to get x.
x=28+15
Add 15 to both sides.
x=43
Add 28 and 15 to get 43.
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