-8(5n+7)=40-8n

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Solution for -8(5n+7)=40-8n equation:


Simplifying
-8(5n + 7) = 40 + -8n

Reorder the terms:
-8(7 + 5n) = 40 + -8n
(7 * -8 + 5n * -8) = 40 + -8n
(-56 + -40n) = 40 + -8n

Solving
-56 + -40n = 40 + -8n

Solving for variable 'n'.

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

Add '8n' to each side of the equation.
-56 + -40n + 8n = 40 + -8n + 8n

Combine like terms: -40n + 8n = -32n
-56 + -32n = 40 + -8n + 8n

Combine like terms: -8n + 8n = 0
-56 + -32n = 40 + 0
-56 + -32n = 40

Add '56' to each side of the equation.
-56 + 56 + -32n = 40 + 56

Combine like terms: -56 + 56 = 0
0 + -32n = 40 + 56
-32n = 40 + 56

Combine like terms: 40 + 56 = 96
-32n = 96

Divide each side by '-32'.
n = -3

Simplifying
n = -3

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