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-10x-18=2(-5x-9)
We simplify the equation to the form, which is simple to understand
-10x-18=2(-5x-9)
Reorder the terms in parentheses
-10x-18=+(-10x-18)
Remove unnecessary parentheses
-10x-18=-10x-18
We move all terms containing x to the left and all other terms to the right.
-10x+10x=-18+18
We simplify left and right side of the equation.
0x=0
0=0
This equation is an identity, so all real numbers are solutions.
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