12.58=-8(8m+5)-3(-m+8)

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Solution for 12.58=-8(8m+5)-3(-m+8) equation: 


Simplifying
12.58 = -8(8m + 5) + -3(-1m + 8)

Reorder the terms:
12.58 = -8(5 + 8m) + -3(-1m + 8)
12.58 = (5 * -8 + 8m * -8) + -3(-1m + 8)
12.58 = (-40 + -64m) + -3(-1m + 8)

Reorder the terms:
12.58 = -40 + -64m + -3(8 + -1m)
12.58 = -40 + -64m + (8 * -3 + -1m * -3)
12.58 = -40 + -64m + (-24 + 3m)

Reorder the terms:
12.58 = -40 + -24 + -64m + 3m

Combine like terms: -40 + -24 = -64
12.58 = -64 + -64m + 3m

Combine like terms: -64m + 3m = -61m
12.58 = -64 + -61m

Solving
12.58 = -64 + -61m

Solving for variable 'm'.

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

Add '61m' to each side of the equation.
12.58 + 61m = -64 + -61m + 61m

Combine like terms: -61m + 61m = 0
12.58 + 61m = -64 + 0
12.58 + 61m = -64

Add '-12.58' to each side of the equation.
12.58 + -12.58 + 61m = -64 + -12.58

Combine like terms: 12.58 + -12.58 = 0.00
0.00 + 61m = -64 + -12.58
61m = -64 + -12.58

Combine like terms: -64 + -12.58 = -76.58
61m = -76.58

Divide each side by '61'.
m = -1.255409836

Simplifying
m = -1.255409836

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