7+21m=42+14m

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Solution for 7+21m=42+14m equation:


Simplifying
7 + 21m = 42 + 14m

Solving
7 + 21m = 42 + 14m

Solving for variable 'm'.

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

Add '-14m' to each side of the equation.
7 + 21m + -14m = 42 + 14m + -14m

Combine like terms: 21m + -14m = 7m
7 + 7m = 42 + 14m + -14m

Combine like terms: 14m + -14m = 0
7 + 7m = 42 + 0
7 + 7m = 42

Add '-7' to each side of the equation.
7 + -7 + 7m = 42 + -7

Combine like terms: 7 + -7 = 0
0 + 7m = 42 + -7
7m = 42 + -7

Combine like terms: 42 + -7 = 35
7m = 35

Divide each side by '7'.
m = 5

Simplifying
m = 5

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