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2(1)-5(2)+8=0
We simplify the equation to the form, which is simple to understand
2(1)-5(2)+8=0
Reorder the terms in parentheses
+(+2)-5*(2)+8=0
Remove unnecessary parentheses
+2-5+*(+2+)+8=0
Reorder the terms in parentheses
+2+(-10)+8=0
Remove unnecessary parentheses
+2-10+8=0
We move all terms containing to the left and all other terms to the right.
0=0-2+10-8
We simplify left and right side of the equation.
0=0
0=0
This equation is an identity, so all real numbers are solutions.
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