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3x+4(3x+5)=185
We simplify the equation to the form, which is simple to understand
3x+4(3x+5)=185
Reorder the terms in parentheses
3x+(+12x+20)=185
Remove unnecessary parentheses
+3x+12x+20=+185
We move all terms containing x to the left and all other terms to the right.
+3x+12x=+185-20
We simplify left and right side of the equation.
+15x=+165
We divide both sides of the equation by 15 to get x.
x=11
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