15m-3(7+5m)=7m

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Solution for 15m-3(7+5m)=7m equation:


Simplifying
15m + -3(7 + 5m) = 7m
15m + (7 * -3 + 5m * -3) = 7m
15m + (-21 + -15m) = 7m

Reorder the terms:
-21 + 15m + -15m = 7m

Combine like terms: 15m + -15m = 0
-21 + 0 = 7m
-21 = 7m

Solving
-21 = 7m

Solving for variable 'm'.

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

Add '-7m' to each side of the equation.
-21 + -7m = 7m + -7m

Combine like terms: 7m + -7m = 0
-21 + -7m = 0

Add '21' to each side of the equation.
-21 + 21 + -7m = 0 + 21

Combine like terms: -21 + 21 = 0
0 + -7m = 0 + 21
-7m = 0 + 21

Combine like terms: 0 + 21 = 21
-7m = 21

Divide each side by '-7'.
m = -3

Simplifying
m = -3

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