-7m-[3(10-3m)+5]=9

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Solution for -7m-[3(10-3m)+5]=9 equation:


Simplifying
-7m + -1[3(10 + -3m) + 5] = 9
-7m + -1[(10 * 3 + -3m * 3) + 5] = 9
-7m + -1[(30 + -9m) + 5] = 9

Reorder the terms:
-7m + -1[30 + 5 + -9m] = 9

Combine like terms: 30 + 5 = 35
-7m + -1[35 + -9m] = 9
-7m + [35 * -1 + -9m * -1] = 9
-7m + [-35 + 9m] = 9

Reorder the terms:
-35 + -7m + 9m = 9

Combine like terms: -7m + 9m = 2m
-35 + 2m = 9

Solving
-35 + 2m = 9

Solving for variable 'm'.

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

Add '35' to each side of the equation.
-35 + 35 + 2m = 9 + 35

Combine like terms: -35 + 35 = 0
0 + 2m = 9 + 35
2m = 9 + 35

Combine like terms: 9 + 35 = 44
2m = 44

Divide each side by '2'.
m = 22

Simplifying
m = 22

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