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1/2x+(x+30)=180
We simplify the equation to the form, which is simple to understand
1/2x+(x+30)=180
Remove unnecessary parentheses
+/2x+x+30=+180
We move all terms containing x to the left and all other terms to the right.
+2x+1x=+180-30
We simplify left and right side of the equation.
+3x=+150
We divide both sides of the equation by 3 to get x.
x=50
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