-2m-4(1+4)=-7(m-1)

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Solution for -2m-4(1+4)=-7(m-1) equation:


Simplifying
-2m + -4(1 + 4) = -7(m + -1)

Combine like terms: 1 + 4 = 5
-2m + -4(5) = -7(m + -1)

Multiply -4 * 5
-2m + -20 = -7(m + -1)

Reorder the terms:
-20 + -2m = -7(m + -1)

Reorder the terms:
-20 + -2m = -7(-1 + m)
-20 + -2m = (-1 * -7 + m * -7)
-20 + -2m = (7 + -7m)

Solving
-20 + -2m = 7 + -7m

Solving for variable 'm'.

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

Add '7m' to each side of the equation.
-20 + -2m + 7m = 7 + -7m + 7m

Combine like terms: -2m + 7m = 5m
-20 + 5m = 7 + -7m + 7m

Combine like terms: -7m + 7m = 0
-20 + 5m = 7 + 0
-20 + 5m = 7

Add '20' to each side of the equation.
-20 + 20 + 5m = 7 + 20

Combine like terms: -20 + 20 = 0
0 + 5m = 7 + 20
5m = 7 + 20

Combine like terms: 7 + 20 = 27
5m = 27

Divide each side by '5'.
m = 5.4

Simplifying
m = 5.4

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