7=-3M-5

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Solution for 7=-3M-5 equation: 


Simplifying
7 = -3M + -5

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

Solving
7 = -5 + -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.
7 + 3M = -5 + -3M + 3M

Combine like terms: -3M + 3M = 0
7 + 3M = -5 + 0
7 + 3M = -5

Add '-7' to each side of the equation.
7 + -7 + 3M = -5 + -7

Combine like terms: 7 + -7 = 0
0 + 3M = -5 + -7
3M = -5 + -7

Combine like terms: -5 + -7 = -12
3M = -12

Divide each side by '3'.
M = -4

Simplifying
M = -4

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