-42=8+m

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Solution for -42=8+m equation:


Simplifying
-42 = 8 + m

Solving
-42 = 8 + m

Solving for variable 'm'.

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

Add '-1m' to each side of the equation.
-42 + -1m = 8 + m + -1m

Combine like terms: m + -1m = 0
-42 + -1m = 8 + 0
-42 + -1m = 8

Add '42' to each side of the equation.
-42 + 42 + -1m = 8 + 42

Combine like terms: -42 + 42 = 0
0 + -1m = 8 + 42
-1m = 8 + 42

Combine like terms: 8 + 42 = 50
-1m = 50

Divide each side by '-1'.
m = -50

Simplifying
m = -50

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