100=8(m+3.9)

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Solution for 100=8(m+3.9) equation:


Simplifying
100 = 8(m + 3.9)

Reorder the terms:
100 = 8(3.9 + m)
100 = (3.9 * 8 + m * 8)
100 = (31.2 + 8m)

Solving
100 = 31.2 + 8m

Solving for variable 'm'.

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

Add '-8m' to each side of the equation.
100 + -8m = 31.2 + 8m + -8m

Combine like terms: 8m + -8m = 0
100 + -8m = 31.2 + 0
100 + -8m = 31.2

Add '-100' to each side of the equation.
100 + -100 + -8m = 31.2 + -100

Combine like terms: 100 + -100 = 0
0 + -8m = 31.2 + -100
-8m = 31.2 + -100

Combine like terms: 31.2 + -100 = -68.8
-8m = -68.8

Divide each side by '-8'.
m = 8.6

Simplifying
m = 8.6

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