3-2[9+2m]=m

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Solution for 3-2[9+2m]=m equation:


Simplifying
3 + -2[9 + 2m] = m
3 + [9 * -2 + 2m * -2] = m
3 + [-18 + -4m] = m

Combine like terms: 3 + -18 = -15
-15 + -4m = m

Solving
-15 + -4m = 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 + -4m + -1m = m + -1m

Combine like terms: -4m + -1m = -5m
-15 + -5m = m + -1m

Combine like terms: m + -1m = 0
-15 + -5m = 0

Add '15' to each side of the equation.
-15 + 15 + -5m = 0 + 15

Combine like terms: -15 + 15 = 0
0 + -5m = 0 + 15
-5m = 0 + 15

Combine like terms: 0 + 15 = 15
-5m = 15

Divide each side by '-5'.
m = -3

Simplifying
m = -3

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