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 = 8
4m = 8

Divide each side by '4'.
m = 2

Simplifying
m = 2

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