7(-3)-(-2m)=

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Solution for 7(-3)-(-2m)= equation:


Simplifying
7(-3) + -1(-2m) = 0

Multiply 7 * -3
-21 + -1(-2m) = 0

Remove parenthesis around (-2m)
-21 + -1 * -2m = 0

Multiply -1 * -2
-21 + 2m = 0

Solving
-21 + 2m = 0

Solving for variable 'm'.

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

Add '21' to each side of the equation.
-21 + 21 + 2m = 0 + 21

Combine like terms: -21 + 21 = 0
0 + 2m = 0 + 21
2m = 0 + 21

Combine like terms: 0 + 21 = 21
2m = 21

Divide each side by '2'.
m = 10.5

Simplifying
m = 10.5

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