42=18-4m

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Solution for 42=18-4m equation:


Simplifying
42 = 18 + -4m

Solving
42 = 18 + -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.
42 + 4m = 18 + -4m + 4m

Combine like terms: -4m + 4m = 0
42 + 4m = 18 + 0
42 + 4m = 18

Add '-42' to each side of the equation.
42 + -42 + 4m = 18 + -42

Combine like terms: 42 + -42 = 0
0 + 4m = 18 + -42
4m = 18 + -42

Combine like terms: 18 + -42 = -24
4m = -24

Divide each side by '4'.
m = -6

Simplifying
m = -6

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