M-(-3)=18-20

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Solution for M-(-3)=18-20 equation:


Simplifying
M + -1(-3) = 18 + -20

Multiply -1 * -3
M + 3 = 18 + -20

Reorder the terms:
3 + M = 18 + -20

Combine like terms: 18 + -20 = -2
3 + M = -2

Solving
3 + M = -2

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 + M = -2 + -3

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

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

Simplifying
M = -5

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