m-3(m+1)=-7

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


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

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

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

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

Solving
-3 + -2m = -7

Solving for variable 'm'.

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

Add '3' to each side of the equation.
-3 + 3 + -2m = -7 + 3

Combine like terms: -3 + 3 = 0
0 + -2m = -7 + 3
-2m = -7 + 3

Combine like terms: -7 + 3 = -4
-2m = -4

Divide each side by '-2'.
m = 2

Simplifying
m = 2

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