m*20=2(m-15)

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Solution for m*20=2(m-15) equation:


Simplifying
m * 20 = 2(m + -15)

Reorder the terms for easier multiplication:
20m = 2(m + -15)

Reorder the terms:
20m = 2(-15 + m)
20m = (-15 * 2 + m * 2)
20m = (-30 + 2m)

Solving
20m = -30 + 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.
20m + -2m = -30 + 2m + -2m

Combine like terms: 20m + -2m = 18m
18m = -30 + 2m + -2m

Combine like terms: 2m + -2m = 0
18m = -30 + 0
18m = -30

Divide each side by '18'.
m = -1.666666667

Simplifying
m = -1.666666667

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