3(5m+7)-3=1-2m

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Solution for 3(5m+7)-3=1-2m equation:


Simplifying
3(5m + 7) + -3 = 1 + -2m

Reorder the terms:
3(7 + 5m) + -3 = 1 + -2m
(7 * 3 + 5m * 3) + -3 = 1 + -2m
(21 + 15m) + -3 = 1 + -2m

Reorder the terms:
21 + -3 + 15m = 1 + -2m

Combine like terms: 21 + -3 = 18
18 + 15m = 1 + -2m

Solving
18 + 15m = 1 + -2m

Solving for variable 'm'.

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

Add '2m' to each side of the equation.
18 + 15m + 2m = 1 + -2m + 2m

Combine like terms: 15m + 2m = 17m
18 + 17m = 1 + -2m + 2m

Combine like terms: -2m + 2m = 0
18 + 17m = 1 + 0
18 + 17m = 1

Add '-18' to each side of the equation.
18 + -18 + 17m = 1 + -18

Combine like terms: 18 + -18 = 0
0 + 17m = 1 + -18
17m = 1 + -18

Combine like terms: 1 + -18 = -17
17m = -17

Divide each side by '17'.
m = -1

Simplifying
m = -1

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