7-5n=2+5(4n-4)

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Solution for 7-5n=2+5(4n-4) equation:


Simplifying
7 + -5n = 2 + 5(4n + -4)

Reorder the terms:
7 + -5n = 2 + 5(-4 + 4n)
7 + -5n = 2 + (-4 * 5 + 4n * 5)
7 + -5n = 2 + (-20 + 20n)

Combine like terms: 2 + -20 = -18
7 + -5n = -18 + 20n

Solving
7 + -5n = -18 + 20n

Solving for variable 'n'.

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

Add '-20n' to each side of the equation.
7 + -5n + -20n = -18 + 20n + -20n

Combine like terms: -5n + -20n = -25n
7 + -25n = -18 + 20n + -20n

Combine like terms: 20n + -20n = 0
7 + -25n = -18 + 0
7 + -25n = -18

Add '-7' to each side of the equation.
7 + -7 + -25n = -18 + -7

Combine like terms: 7 + -7 = 0
0 + -25n = -18 + -7
-25n = -18 + -7

Combine like terms: -18 + -7 = -25
-25n = -25

Divide each side by '-25'.
n = 1

Simplifying
n = 1

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