-20-4m=-15-5m

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Solution for -20-4m=-15-5m equation:


Simplifying
-20 + -4m = -15 + -5m

Solving
-20 + -4m = -15 + -5m

Solving for variable 'm'.

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

Add '5m' to each side of the equation.
-20 + -4m + 5m = -15 + -5m + 5m

Combine like terms: -4m + 5m = 1m
-20 + 1m = -15 + -5m + 5m

Combine like terms: -5m + 5m = 0
-20 + 1m = -15 + 0
-20 + 1m = -15

Add '20' to each side of the equation.
-20 + 20 + 1m = -15 + 20

Combine like terms: -20 + 20 = 0
0 + 1m = -15 + 20
1m = -15 + 20

Combine like terms: -15 + 20 = 5
1m = 5

Divide each side by '1'.
m = 5

Simplifying
m = 5

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