45=30+m

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Solution for 45=30+m equation: 


Simplifying
45 = 30 + m

Solving
45 = 30 + m

Solving for variable 'm'.

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

Add '-1m' to each side of the equation.
45 + -1m = 30 + m + -1m

Combine like terms: m + -1m = 0
45 + -1m = 30 + 0
45 + -1m = 30

Add '-45' to each side of the equation.
45 + -45 + -1m = 30 + -45

Combine like terms: 45 + -45 = 0
0 + -1m = 30 + -45
-1m = 30 + -45

Combine like terms: 30 + -45 = -15
-1m = -15

Divide each side by '-1'.
m = 15

Simplifying
m = 15

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