-20+4n=4(5n+7)

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Solution for -20+4n=4(5n+7) equation:


Simplifying
-20 + 4n = 4(5n + 7)

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

Solving
-20 + 4n = 28 + 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.
-20 + 4n + -20n = 28 + 20n + -20n

Combine like terms: 4n + -20n = -16n
-20 + -16n = 28 + 20n + -20n

Combine like terms: 20n + -20n = 0
-20 + -16n = 28 + 0
-20 + -16n = 28

Add '20' to each side of the equation.
-20 + 20 + -16n = 28 + 20

Combine like terms: -20 + 20 = 0
0 + -16n = 28 + 20
-16n = 28 + 20

Combine like terms: 28 + 20 = 48
-16n = 48

Divide each side by '-16'.
n = -3

Simplifying
n = -3

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