5M+9=3M-5+7

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Solution for 5M+9=3M-5+7 equation: 


Simplifying
5M + 9 = 3M + -5 + 7

Reorder the terms:
9 + 5M = 3M + -5 + 7

Reorder the terms:
9 + 5M = -5 + 7 + 3M

Combine like terms: -5 + 7 = 2
9 + 5M = 2 + 3M

Solving
9 + 5M = 2 + 3M

Solving for variable 'M'.

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

Add '-3M' to each side of the equation.
9 + 5M + -3M = 2 + 3M + -3M

Combine like terms: 5M + -3M = 2M
9 + 2M = 2 + 3M + -3M

Combine like terms: 3M + -3M = 0
9 + 2M = 2 + 0
9 + 2M = 2

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

Combine like terms: 9 + -9 = 0
0 + 2M = 2 + -9
2M = 2 + -9

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

Divide each side by '2'.
M = -3.5

Simplifying
M = -3.5

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