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9x-11.25=3(x+4)
We simplify the equation to the form, which is simple to understand
9x-11.25=3(x+4)
Reorder the terms in parentheses
9x-11.25=+(+3x+12)
Remove unnecessary parentheses
+9x-11.25=+3x+12
We move all terms containing x to the left and all other terms to the right.
+9x-3x=+12+11.25
We simplify left and right side of the equation.
+6x=+23.25
We divide both sides of the equation by 6 to get x.
x=3.875
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