4(7n-5)=8n-40

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Solution for 4(7n-5)=8n-40 equation:


Simplifying
4(7n + -5) = 8n + -40

Reorder the terms:
4(-5 + 7n) = 8n + -40
(-5 * 4 + 7n * 4) = 8n + -40
(-20 + 28n) = 8n + -40

Reorder the terms:
-20 + 28n = -40 + 8n

Solving
-20 + 28n = -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.
-20 + 28n + -8n = -40 + 8n + -8n

Combine like terms: 28n + -8n = 20n
-20 + 20n = -40 + 8n + -8n

Combine like terms: 8n + -8n = 0
-20 + 20n = -40 + 0
-20 + 20n = -40

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

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

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

Divide each side by '20'.
n = -1

Simplifying
n = -1

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