7n-8(n-3)=18

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Solution for 7n-8(n-3)=18 equation:


Simplifying
7n + -8(n + -3) = 18

Reorder the terms:
7n + -8(-3 + n) = 18
7n + (-3 * -8 + n * -8) = 18
7n + (24 + -8n) = 18

Reorder the terms:
24 + 7n + -8n = 18

Combine like terms: 7n + -8n = -1n
24 + -1n = 18

Solving
24 + -1n = 18

Solving for variable 'n'.

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

Add '-24' to each side of the equation.
24 + -24 + -1n = 18 + -24

Combine like terms: 24 + -24 = 0
0 + -1n = 18 + -24
-1n = 18 + -24

Combine like terms: 18 + -24 = -6
-1n = -6

Divide each side by '-1'.
n = 6

Simplifying
n = 6

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