M-(-9)=-13

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Solution for M-(-9)=-13 equation:


Simplifying
M + -1(-9) = -13

Multiply -1 * -9
M + 9 = -13

Reorder the terms:
9 + M = -13

Solving
9 + M = -13

Solving for variable 'M'.

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

Add '-9' to each side of the equation.
9 + -9 + M = -13 + -9

Combine like terms: 9 + -9 = 0
0 + M = -13 + -9
M = -13 + -9

Combine like terms: -13 + -9 = -22
M = -22

Simplifying
M = -22

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