-20-7n=-(-4-3n)-7n

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Solution for -20-7n=-(-4-3n)-7n equation:


Simplifying
-20 + -7n = -1(-4 + -3n) + -7n
-20 + -7n = (-4 * -1 + -3n * -1) + -7n
-20 + -7n = (4 + 3n) + -7n

Combine like terms: 3n + -7n = -4n
-20 + -7n = 4 + -4n

Solving
-20 + -7n = 4 + -4n

Solving for variable 'n'.

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

Add '4n' to each side of the equation.
-20 + -7n + 4n = 4 + -4n + 4n

Combine like terms: -7n + 4n = -3n
-20 + -3n = 4 + -4n + 4n

Combine like terms: -4n + 4n = 0
-20 + -3n = 4 + 0
-20 + -3n = 4

Add '20' to each side of the equation.
-20 + 20 + -3n = 4 + 20

Combine like terms: -20 + 20 = 0
0 + -3n = 4 + 20
-3n = 4 + 20

Combine like terms: 4 + 20 = 24
-3n = 24

Divide each side by '-3'.
n = -8

Simplifying
n = -8

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