M-(-4)=9

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Solution for M-(-4)=9 equation: 


Simplifying
M + -1(-4) = 9

Multiply -1 * -4
M + 4 = 9

Reorder the terms:
4 + M = 9

Solving
4 + M = 9

Solving for variable 'M'.

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

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

Combine like terms: 4 + -4 = 0
0 + M = 9 + -4
M = 9 + -4

Combine like terms: 9 + -4 = 5
M = 5

Simplifying
M = 5

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