75=3(m+7)+m

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Solution for 75=3(m+7)+m equation:


Simplifying
75 = 3(m + 7) + m

Reorder the terms:
75 = 3(7 + m) + m
75 = (7 * 3 + m * 3) + m
75 = (21 + 3m) + m

Combine like terms: 3m + m = 4m
75 = 21 + 4m

Solving
75 = 21 + 4m

Solving for variable 'm'.

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

Add '-4m' to each side of the equation.
75 + -4m = 21 + 4m + -4m

Combine like terms: 4m + -4m = 0
75 + -4m = 21 + 0
75 + -4m = 21

Add '-75' to each side of the equation.
75 + -75 + -4m = 21 + -75

Combine like terms: 75 + -75 = 0
0 + -4m = 21 + -75
-4m = 21 + -75

Combine like terms: 21 + -75 = -54
-4m = -54

Divide each side by '-4'.
m = 13.5

Simplifying
m = 13.5

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