3m+5m-4=20-m

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Solution for 3m+5m-4=20-m equation:


Simplifying
3m + 5m + -4 = 20 + -1m

Reorder the terms:
-4 + 3m + 5m = 20 + -1m

Combine like terms: 3m + 5m = 8m
-4 + 8m = 20 + -1m

Solving
-4 + 8m = 20 + -1m

Solving for variable 'm'.

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

Add 'm' to each side of the equation.
-4 + 8m + m = 20 + -1m + m

Combine like terms: 8m + m = 9m
-4 + 9m = 20 + -1m + m

Combine like terms: -1m + m = 0
-4 + 9m = 20 + 0
-4 + 9m = 20

Add '4' to each side of the equation.
-4 + 4 + 9m = 20 + 4

Combine like terms: -4 + 4 = 0
0 + 9m = 20 + 4
9m = 20 + 4

Combine like terms: 20 + 4 = 24
9m = 24

Divide each side by '9'.
m = 2.666666667

Simplifying
m = 2.666666667

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