8n-7=2n-4

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Solution for 8n-7=2n-4 equation:


Simplifying
8n + -7 = 2n + -4

Reorder the terms:
-7 + 8n = 2n + -4

Reorder the terms:
-7 + 8n = -4 + 2n

Solving
-7 + 8n = -4 + 2n

Solving for variable 'n'.

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

Add '-2n' to each side of the equation.
-7 + 8n + -2n = -4 + 2n + -2n

Combine like terms: 8n + -2n = 6n
-7 + 6n = -4 + 2n + -2n

Combine like terms: 2n + -2n = 0
-7 + 6n = -4 + 0
-7 + 6n = -4

Add '7' to each side of the equation.
-7 + 7 + 6n = -4 + 7

Combine like terms: -7 + 7 = 0
0 + 6n = -4 + 7
6n = -4 + 7

Combine like terms: -4 + 7 = 3
6n = 3

Divide each side by '6'.
n = 0.5

Simplifying
n = 0.5

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