21m+27=42m+20

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Solution for 21m+27=42m+20 equation:


Simplifying
21m + 27 = 42m + 20

Reorder the terms:
27 + 21m = 42m + 20

Reorder the terms:
27 + 21m = 20 + 42m

Solving
27 + 21m = 20 + 42m

Solving for variable 'm'.

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

Add '-42m' to each side of the equation.
27 + 21m + -42m = 20 + 42m + -42m

Combine like terms: 21m + -42m = -21m
27 + -21m = 20 + 42m + -42m

Combine like terms: 42m + -42m = 0
27 + -21m = 20 + 0
27 + -21m = 20

Add '-27' to each side of the equation.
27 + -27 + -21m = 20 + -27

Combine like terms: 27 + -27 = 0
0 + -21m = 20 + -27
-21m = 20 + -27

Combine like terms: 20 + -27 = -7
-21m = -7

Divide each side by '-21'.
m = 0.3333333333

Simplifying
m = 0.3333333333

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