3m+4(m+3)-2=80

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Solution for 3m+4(m+3)-2=80 equation:


Simplifying
3m + 4(m + 3) + -2 = 80

Reorder the terms:
3m + 4(3 + m) + -2 = 80
3m + (3 * 4 + m * 4) + -2 = 80
3m + (12 + 4m) + -2 = 80

Reorder the terms:
12 + -2 + 3m + 4m = 80

Combine like terms: 12 + -2 = 10
10 + 3m + 4m = 80

Combine like terms: 3m + 4m = 7m
10 + 7m = 80

Solving
10 + 7m = 80

Solving for variable 'm'.

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

Add '-10' to each side of the equation.
10 + -10 + 7m = 80 + -10

Combine like terms: 10 + -10 = 0
0 + 7m = 80 + -10
7m = 80 + -10

Combine like terms: 80 + -10 = 70
7m = 70

Divide each side by '7'.
m = 10

Simplifying
m = 10

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