3(7+m)=60

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Solution for 3(7+m)=60 equation: 


Simplifying
3(7 + m) = 60
(7 * 3 + m * 3) = 60
(21 + 3m) = 60

Solving
21 + 3m = 60

Solving for variable 'm'.

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

Add '-21' to each side of the equation.
21 + -21 + 3m = 60 + -21

Combine like terms: 21 + -21 = 0
0 + 3m = 60 + -21
3m = 60 + -21

Combine like terms: 60 + -21 = 39
3m = 39

Divide each side by '3'.
m = 13

Simplifying
m = 13

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