9M-4=2M+80

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Solution for 9M-4=2M+80 equation:


Simplifying
9M + -4 = 2M + 80

Reorder the terms:
-4 + 9M = 2M + 80

Reorder the terms:
-4 + 9M = 80 + 2M

Solving
-4 + 9M = 80 + 2M

Solving for variable 'M'.

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

Add '-2M' to each side of the equation.
-4 + 9M + -2M = 80 + 2M + -2M

Combine like terms: 9M + -2M = 7M
-4 + 7M = 80 + 2M + -2M

Combine like terms: 2M + -2M = 0
-4 + 7M = 80 + 0
-4 + 7M = 80

Add '4' to each side of the equation.
-4 + 4 + 7M = 80 + 4

Combine like terms: -4 + 4 = 0
0 + 7M = 80 + 4
7M = 80 + 4

Combine like terms: 80 + 4 = 84
7M = 84

Divide each side by '7'.
M = 12

Simplifying
M = 12

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