4(10-2n)=30

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Solution for 4(10-2n)=30 equation: 


Simplifying
4(10 + -2n) = 30
(10 * 4 + -2n * 4) = 30
(40 + -8n) = 30

Solving
40 + -8n = 30

Solving for variable 'n'.

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

Add '-40' to each side of the equation.
40 + -40 + -8n = 30 + -40

Combine like terms: 40 + -40 = 0
0 + -8n = 30 + -40
-8n = 30 + -40

Combine like terms: 30 + -40 = -10
-8n = -10

Divide each side by '-8'.
n = 1.25

Simplifying
n = 1.25

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