Solve for x
x=7
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4x+5x+45=108
Use the distributive property to multiply 5 by x+9.
9x+45=108
Combine 4x and 5x to get 9x.
9x=108-45
Subtract 45 from both sides.
9x=63
Subtract 45 from 108 to get 63.
x=\frac{63}{9}
Divide both sides by 9.
x=7
Divide 63 by 9 to get 7.
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