40-5n=-5(7n+4)

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Solution for 40-5n=-5(7n+4) equation:


Simplifying
40 + -5n = -5(7n + 4)

Reorder the terms:
40 + -5n = -5(4 + 7n)
40 + -5n = (4 * -5 + 7n * -5)
40 + -5n = (-20 + -35n)

Solving
40 + -5n = -20 + -35n

Solving for variable 'n'.

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

Add '35n' to each side of the equation.
40 + -5n + 35n = -20 + -35n + 35n

Combine like terms: -5n + 35n = 30n
40 + 30n = -20 + -35n + 35n

Combine like terms: -35n + 35n = 0
40 + 30n = -20 + 0
40 + 30n = -20

Add '-40' to each side of the equation.
40 + -40 + 30n = -20 + -40

Combine like terms: 40 + -40 = 0
0 + 30n = -20 + -40
30n = -20 + -40

Combine like terms: -20 + -40 = -60
30n = -60

Divide each side by '30'.
n = -2

Simplifying
n = -2

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