2(n-9)+8=7n-8

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Solution for 2(n-9)+8=7n-8 equation:


Simplifying
2(n + -9) + 8 = 7n + -8

Reorder the terms:
2(-9 + n) + 8 = 7n + -8
(-9 * 2 + n * 2) + 8 = 7n + -8
(-18 + 2n) + 8 = 7n + -8

Reorder the terms:
-18 + 8 + 2n = 7n + -8

Combine like terms: -18 + 8 = -10
-10 + 2n = 7n + -8

Reorder the terms:
-10 + 2n = -8 + 7n

Solving
-10 + 2n = -8 + 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.
-10 + 2n + -7n = -8 + 7n + -7n

Combine like terms: 2n + -7n = -5n
-10 + -5n = -8 + 7n + -7n

Combine like terms: 7n + -7n = 0
-10 + -5n = -8 + 0
-10 + -5n = -8

Add '10' to each side of the equation.
-10 + 10 + -5n = -8 + 10

Combine like terms: -10 + 10 = 0
0 + -5n = -8 + 10
-5n = -8 + 10

Combine like terms: -8 + 10 = 2
-5n = 2

Divide each side by '-5'.
n = -0.4

Simplifying
n = -0.4

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