21-4m=10m-7

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Solution for 21-4m=10m-7 equation:


Simplifying
21 + -4m = 10m + -7

Reorder the terms:
21 + -4m = -7 + 10m

Solving
21 + -4m = -7 + 10m

Solving for variable 'm'.

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

Add '-10m' to each side of the equation.
21 + -4m + -10m = -7 + 10m + -10m

Combine like terms: -4m + -10m = -14m
21 + -14m = -7 + 10m + -10m

Combine like terms: 10m + -10m = 0
21 + -14m = -7 + 0
21 + -14m = -7

Add '-21' to each side of the equation.
21 + -21 + -14m = -7 + -21

Combine like terms: 21 + -21 = 0
0 + -14m = -7 + -21
-14m = -7 + -21

Combine like terms: -7 + -21 = -28
-14m = -28

Divide each side by '-14'.
m = 2

Simplifying
m = 2

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