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130=(9*x)+(3*1.5x)
We simplify the equation to the form, which is simple to understand
130=(9*x)+(3*1.5x)
Remove unnecessary parentheses
130=+9x+(+4.5x)
Remove unnecessary parentheses
+130=+9x+4.5x
We move all terms containing x to the left and all other terms to the right.
-9x-4.5x=-130
We simplify left and right side of the equation.
-13.5x=-130
We divide both sides of the equation by -13.5 to get x.
x=9.6296296296296
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