7m+3=4m+21

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Solution for 7m+3=4m+21 equation:


Simplifying
7m + 3 = 4m + 21

Reorder the terms:
3 + 7m = 4m + 21

Reorder the terms:
3 + 7m = 21 + 4m

Solving
3 + 7m = 21 + 4m

Solving for variable 'm'.

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

Add '-4m' to each side of the equation.
3 + 7m + -4m = 21 + 4m + -4m

Combine like terms: 7m + -4m = 3m
3 + 3m = 21 + 4m + -4m

Combine like terms: 4m + -4m = 0
3 + 3m = 21 + 0
3 + 3m = 21

Add '-3' to each side of the equation.
3 + -3 + 3m = 21 + -3

Combine like terms: 3 + -3 = 0
0 + 3m = 21 + -3
3m = 21 + -3

Combine like terms: 21 + -3 = 18
3m = 18

Divide each side by '3'.
m = 6

Simplifying
m = 6

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