m+3(m-4)=20

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Solution for m+3(m-4)=20 equation:


Simplifying
m + 3(m + -4) = 20

Reorder the terms:
m + 3(-4 + m) = 20
m + (-4 * 3 + m * 3) = 20
m + (-12 + 3m) = 20

Reorder the terms:
-12 + m + 3m = 20

Combine like terms: m + 3m = 4m
-12 + 4m = 20

Solving
-12 + 4m = 20

Solving for variable 'm'.

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

Add '12' to each side of the equation.
-12 + 12 + 4m = 20 + 12

Combine like terms: -12 + 12 = 0
0 + 4m = 20 + 12
4m = 20 + 12

Combine like terms: 20 + 12 = 32
4m = 32

Divide each side by '4'.
m = 8

Simplifying
m = 8

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