3(-5+7m)=-141

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Solution for 3(-5+7m)=-141 equation: 


Simplifying
3(-5 + 7m) = -141
(-5 * 3 + 7m * 3) = -141
(-15 + 21m) = -141

Solving
-15 + 21m = -141

Solving for variable 'm'.

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

Add '15' to each side of the equation.
-15 + 15 + 21m = -141 + 15

Combine like terms: -15 + 15 = 0
0 + 21m = -141 + 15
21m = -141 + 15

Combine like terms: -141 + 15 = -126
21m = -126

Divide each side by '21'.
m = -6

Simplifying
m = -6

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