-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 = -21
-21 + -4m = m

Solving
-21 + -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.
-21 + -4m + -1m = m + -1m

Combine like terms: -4m + -1m = -5m
-21 + -5m = m + -1m

Combine like terms: m + -1m = 0
-21 + -5m = 0

Add '21' to each side of the equation.
-21 + 21 + -5m = 0 + 21

Combine like terms: -21 + 21 = 0
0 + -5m = 0 + 21
-5m = 0 + 21

Combine like terms: 0 + 21 = 21
-5m = 21

Divide each side by '-5'.
m = -4.2

Simplifying
m = -4.2

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