3[m-5]=m-7

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Solution for 3[m-5]=m-7 equation:


Simplifying
3[m + -5] = m + -7

Reorder the terms:
3[-5 + m] = m + -7
[-5 * 3 + m * 3] = m + -7
[-15 + 3m] = m + -7

Reorder the terms:
-15 + 3m = -7 + m

Solving
-15 + 3m = -7 + m

Solving for variable 'm'.

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

Add '-1m' to each side of the equation.
-15 + 3m + -1m = -7 + m + -1m

Combine like terms: 3m + -1m = 2m
-15 + 2m = -7 + m + -1m

Combine like terms: m + -1m = 0
-15 + 2m = -7 + 0
-15 + 2m = -7

Add '15' to each side of the equation.
-15 + 15 + 2m = -7 + 15

Combine like terms: -15 + 15 = 0
0 + 2m = -7 + 15
2m = -7 + 15

Combine like terms: -7 + 15 = 8
2m = 8

Divide each side by '2'.
m = 4

Simplifying
m = 4

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