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2x+15+3x-20=x+15
We simplify the equation to the form, which is simple to understand
2x+15+3x-20=x+15
We move all terms containing x to the left and all other terms to the right.
+2x+3x-1x=+15-15+20
We simplify left and right side of the equation.
+4x=+20
We divide both sides of the equation by 4 to get x.
x=5
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