-5(7-2m)+3(8-4m)=21

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Solution for -5(7-2m)+3(8-4m)=21 equation:


-5(7-2m)+3(8-4m)=21

We simplify the equation to the form, which is simple to understand 
-5(7-2m)+3(8-4m)=21

Reorder the terms in parentheses
+(-35+10m)+3*(8-4m)=21

Remove unnecessary parentheses
-35+10m+3+*(+8-4m+)=+21

Reorder the terms in parentheses
-35+10m+(+24-12m)=21

Remove unnecessary parentheses
-35+10m+24-12m=+21

We move all terms containing m to the left and all other terms to the right. 
+10m-12m=+21+35-24

We simplify left and right side of the equation. 
-2m=+32

We divide both sides of the equation by -2 to get m. 
m=-16

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