3(m+1)=7(m-1)

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Solution for 3(m+1)=7(m-1) equation:


Simplifying
3(m + 1) = 7(m + -1)

Reorder the terms:
3(1 + m) = 7(m + -1)
(1 * 3 + m * 3) = 7(m + -1)
(3 + 3m) = 7(m + -1)

Reorder the terms:
3 + 3m = 7(-1 + m)
3 + 3m = (-1 * 7 + m * 7)
3 + 3m = (-7 + 7m)

Solving
3 + 3m = -7 + 7m

Solving for variable 'm'.

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

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

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

Combine like terms: 7m + -7m = 0
3 + -4m = -7 + 0
3 + -4m = -7

Add '-3' to each side of the equation.
3 + -3 + -4m = -7 + -3

Combine like terms: 3 + -3 = 0
0 + -4m = -7 + -3
-4m = -7 + -3

Combine like terms: -7 + -3 = -10
-4m = -10

Divide each side by '-4'.
m = 2.5

Simplifying
m = 2.5

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