14[-9-4m]=42

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Solution for 14[-9-4m]=42 equation: 


Simplifying
14[-9 + -4m] = 42
[-9 * 14 + -4m * 14] = 42
[-126 + -56m] = 42

Solving
-126 + -56m = 42

Solving for variable 'm'.

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

Add '126' to each side of the equation.
-126 + 126 + -56m = 42 + 126

Combine like terms: -126 + 126 = 0
0 + -56m = 42 + 126
-56m = 42 + 126

Combine like terms: 42 + 126 = 168
-56m = 168

Divide each side by '-56'.
m = -3

Simplifying
m = -3

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