7M+3-M=-15

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Solution for 7M+3-M=-15 equation:


Simplifying
7M + 3 + -1M = -15

Reorder the terms:
3 + 7M + -1M = -15

Combine like terms: 7M + -1M = 6M
3 + 6M = -15

Solving
3 + 6M = -15

Solving for variable 'M'.

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

Add '-3' to each side of the equation.
3 + -3 + 6M = -15 + -3

Combine like terms: 3 + -3 = 0
0 + 6M = -15 + -3
6M = -15 + -3

Combine like terms: -15 + -3 = -18
6M = -18

Divide each side by '6'.
M = -3

Simplifying
M = -3

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