8(n-9)=7n

Solution for 8(n-9)=7n equation:

Simplifying
8(n + -9) = 7n

Reorder the terms:
8(-9 + n) = 7n
(-9 * 8 + n * 8) = 7n
(-72 + 8n) = 7n

Solving
-72 + 8n = 7n

Solving for variable 'n'.

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

Add '-7n' to each side of the equation.
-72 + 8n + -7n = 7n + -7n

Combine like terms: 8n + -7n = 1n
-72 + 1n = 7n + -7n

Combine like terms: 7n + -7n = 0
-72 + 1n = 0

Add '72' to each side of the equation.
-72 + 72 + 1n = 0 + 72

Combine like terms: -72 + 72 = 0
0 + 1n = 0 + 72
1n = 0 + 72

Combine like terms: 0 + 72 = 72
1n = 72

Divide each side by '1'.
n = 72

Simplifying
n = 72