3m-1(m+19)+4=

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Solution for 3m-1(m+19)+4= equation:


Simplifying
3m + -1(m + 19) + 4 = 0

Reorder the terms:
3m + -1(19 + m) + 4 = 0
3m + (19 * -1 + m * -1) + 4 = 0
3m + (-19 + -1m) + 4 = 0

Reorder the terms:
-19 + 4 + 3m + -1m = 0

Combine like terms: -19 + 4 = -15
-15 + 3m + -1m = 0

Combine like terms: 3m + -1m = 2m
-15 + 2m = 0

Solving
-15 + 2m = 0

Solving for variable 'm'.

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

Add '15' to each side of the equation.
-15 + 15 + 2m = 0 + 15

Combine like terms: -15 + 15 = 0
0 + 2m = 0 + 15
2m = 0 + 15

Combine like terms: 0 + 15 = 15
2m = 15

Divide each side by '2'.
m = 7.5

Simplifying
m = 7.5

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