3(5-12)=m-3

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Solution for 3(5-12)=m-3 equation:


Simplifying
3(5 + -12) = m + -3

Combine like terms: 5 + -12 = -7
3(-7) = m + -3

Multiply 3 * -7
-21 = m + -3

Reorder the terms:
-21 = -3 + m

Solving
-21 = -3 + 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 + -1m = -3 + m + -1m

Combine like terms: m + -1m = 0
-21 + -1m = -3 + 0
-21 + -1m = -3

Add '21' to each side of the equation.
-21 + 21 + -1m = -3 + 21

Combine like terms: -21 + 21 = 0
0 + -1m = -3 + 21
-1m = -3 + 21

Combine like terms: -3 + 21 = 18
-1m = 18

Divide each side by '-1'.
m = -18

Simplifying
m = -18

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