40m-90=30

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Solution for 40m-90=30 equation: 


Simplifying
40m + -90 = 30

Reorder the terms:
-90 + 40m = 30

Solving
-90 + 40m = 30

Solving for variable 'm'.

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

Add '90' to each side of the equation.
-90 + 90 + 40m = 30 + 90

Combine like terms: -90 + 90 = 0
0 + 40m = 30 + 90
40m = 30 + 90

Combine like terms: 30 + 90 = 120
40m = 120

Divide each side by '40'.
m = 3

Simplifying
m = 3

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