4m+9+5-12=42

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Solution for 4m+9+5-12=42 equation:


Simplifying
4m + 9 + 5 + -12 = 42

Reorder the terms:
9 + 5 + -12 + 4m = 42

Combine like terms: 9 + 5 = 14
14 + -12 + 4m = 42

Combine like terms: 14 + -12 = 2
2 + 4m = 42

Solving
2 + 4m = 42

Solving for variable 'm'.

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

Add '-2' to each side of the equation.
2 + -2 + 4m = 42 + -2

Combine like terms: 2 + -2 = 0
0 + 4m = 42 + -2
4m = 42 + -2

Combine like terms: 42 + -2 = 40
4m = 40

Divide each side by '4'.
m = 10

Simplifying
m = 10

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