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2x-5(42)=-10
We simplify the equation to the form, which is simple to understand
2x-5(42)=-10
Reorder the terms in parentheses
2x+(-210)=-10
Remove unnecessary parentheses
+2x-210=-10
We move all terms containing x to the left and all other terms to the right.
+2x=-10+210
We simplify left and right side of the equation.
+2x=+200
We divide both sides of the equation by 2 to get x.
x=100
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