5(2n+8)=10(n+3)-40n

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Solution for 5(2n+8)=10(n+3)-40n equation:


Simplifying
5(2n + 8) = 10(n + 3) + -40n

Reorder the terms:
5(8 + 2n) = 10(n + 3) + -40n
(8 * 5 + 2n * 5) = 10(n + 3) + -40n
(40 + 10n) = 10(n + 3) + -40n

Reorder the terms:
40 + 10n = 10(3 + n) + -40n
40 + 10n = (3 * 10 + n * 10) + -40n
40 + 10n = (30 + 10n) + -40n

Combine like terms: 10n + -40n = -30n
40 + 10n = 30 + -30n

Solving
40 + 10n = 30 + -30n

Solving for variable 'n'.

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

Add '30n' to each side of the equation.
40 + 10n + 30n = 30 + -30n + 30n

Combine like terms: 10n + 30n = 40n
40 + 40n = 30 + -30n + 30n

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

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

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

Combine like terms: 30 + -40 = -10
40n = -10

Divide each side by '40'.
n = -0.25

Simplifying
n = -0.25

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