8n-7=-9+9n

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Solution for 8n-7=-9+9n equation:


Simplifying
8n + -7 = -9 + 9n

Reorder the terms:
-7 + 8n = -9 + 9n

Solving
-7 + 8n = -9 + 9n

Solving for variable 'n'.

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

Add '-9n' to each side of the equation.
-7 + 8n + -9n = -9 + 9n + -9n

Combine like terms: 8n + -9n = -1n
-7 + -1n = -9 + 9n + -9n

Combine like terms: 9n + -9n = 0
-7 + -1n = -9 + 0
-7 + -1n = -9

Add '7' to each side of the equation.
-7 + 7 + -1n = -9 + 7

Combine like terms: -7 + 7 = 0
0 + -1n = -9 + 7
-1n = -9 + 7

Combine like terms: -9 + 7 = -2
-1n = -2

Divide each side by '-1'.
n = 2

Simplifying
n = 2

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