4-2(n-3)=-20

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Solution for 4-2(n-3)=-20 equation:


Simplifying
4 + -2(n + -3) = -20

Reorder the terms:
4 + -2(-3 + n) = -20
4 + (-3 * -2 + n * -2) = -20
4 + (6 + -2n) = -20

Combine like terms: 4 + 6 = 10
10 + -2n = -20

Solving
10 + -2n = -20

Solving for variable 'n'.

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

Add '-10' to each side of the equation.
10 + -10 + -2n = -20 + -10

Combine like terms: 10 + -10 = 0
0 + -2n = -20 + -10
-2n = -20 + -10

Combine like terms: -20 + -10 = -30
-2n = -30

Divide each side by '-2'.
n = 15

Simplifying
n = 15

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