3+M-2(m+5)=13

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Solution for 3+M-2(m+5)=13 equation: 


Simplifying
3 + M + -2(m + 5) = 13

Reorder the terms:
3 + M + -2(5 + m) = 13
3 + M + (5 * -2 + m * -2) = 13
3 + M + (-10 + -2m) = 13

Reorder the terms:
3 + -10 + M + -2m = 13

Combine like terms: 3 + -10 = -7
-7 + M + -2m = 13

Solving
-7 + M + -2m = 13

Solving for variable 'M'.

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

Add '7' to each side of the equation.
-7 + M + 7 + -2m = 13 + 7

Reorder the terms:
-7 + 7 + M + -2m = 13 + 7

Combine like terms: -7 + 7 = 0
0 + M + -2m = 13 + 7
M + -2m = 13 + 7

Combine like terms: 13 + 7 = 20
M + -2m = 20

Add '2m' to each side of the equation.
M + -2m + 2m = 20 + 2m

Combine like terms: -2m + 2m = 0
M + 0 = 20 + 2m
M = 20 + 2m

Simplifying
M = 20 + 2m

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