155=-5(4-7m)

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Solution for 155=-5(4-7m) equation:


Simplifying
155 = -5(4 + -7m)
155 = (4 * -5 + -7m * -5)
155 = (-20 + 35m)

Solving
155 = -20 + 35m

Solving for variable 'm'.

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

Add '-35m' to each side of the equation.
155 + -35m = -20 + 35m + -35m

Combine like terms: 35m + -35m = 0
155 + -35m = -20 + 0
155 + -35m = -20

Add '-155' to each side of the equation.
155 + -155 + -35m = -20 + -155

Combine like terms: 155 + -155 = 0
0 + -35m = -20 + -155
-35m = -20 + -155

Combine like terms: -20 + -155 = -175
-35m = -175

Divide each side by '-35'.
m = 5

Simplifying
m = 5

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