7*m+5=4*(m-1)+15

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Solution for 7*m+5=4*(m-1)+15 equation:


Simplifying
7m + 5 = 4(m + -1) + 15

Reorder the terms:
5 + 7m = 4(m + -1) + 15

Reorder the terms:
5 + 7m = 4(-1 + m) + 15
5 + 7m = (-1 * 4 + m * 4) + 15
5 + 7m = (-4 + 4m) + 15

Reorder the terms:
5 + 7m = -4 + 15 + 4m

Combine like terms: -4 + 15 = 11
5 + 7m = 11 + 4m

Solving
5 + 7m = 11 + 4m

Solving for variable 'm'.

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

Add '-4m' to each side of the equation.
5 + 7m + -4m = 11 + 4m + -4m

Combine like terms: 7m + -4m = 3m
5 + 3m = 11 + 4m + -4m

Combine like terms: 4m + -4m = 0
5 + 3m = 11 + 0
5 + 3m = 11

Add '-5' to each side of the equation.
5 + -5 + 3m = 11 + -5

Combine like terms: 5 + -5 = 0
0 + 3m = 11 + -5
3m = 11 + -5

Combine like terms: 11 + -5 = 6
3m = 6

Divide each side by '3'.
m = 2

Simplifying
m = 2

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