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

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


Simplifying
-2m + 8(-3 + 5m) = 21 + -7m
-2m + (-3 * 8 + 5m * 8) = 21 + -7m
-2m + (-24 + 40m) = 21 + -7m

Reorder the terms:
-24 + -2m + 40m = 21 + -7m

Combine like terms: -2m + 40m = 38m
-24 + 38m = 21 + -7m

Solving
-24 + 38m = 21 + -7m

Solving for variable 'm'.

Move all terms containing m to the left, all other terms to the right.

Add '7m' to each side of the equation.
-24 + 38m + 7m = 21 + -7m + 7m

Combine like terms: 38m + 7m = 45m
-24 + 45m = 21 + -7m + 7m

Combine like terms: -7m + 7m = 0
-24 + 45m = 21 + 0
-24 + 45m = 21

Add '24' to each side of the equation.
-24 + 24 + 45m = 21 + 24

Combine like terms: -24 + 24 = 0
0 + 45m = 21 + 24
45m = 21 + 24

Combine like terms: 21 + 24 = 45
45m = 45

Divide each side by '45'.
m = 1

Simplifying
m = 1

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