7(n-4)=8n-7

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Solution for 7(n-4)=8n-7 equation:


Simplifying
7(n + -4) = 8n + -7

Reorder the terms:
7(-4 + n) = 8n + -7
(-4 * 7 + n * 7) = 8n + -7
(-28 + 7n) = 8n + -7

Reorder the terms:
-28 + 7n = -7 + 8n

Solving
-28 + 7n = -7 + 8n

Solving for variable 'n'.

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

Add '-8n' to each side of the equation.
-28 + 7n + -8n = -7 + 8n + -8n

Combine like terms: 7n + -8n = -1n
-28 + -1n = -7 + 8n + -8n

Combine like terms: 8n + -8n = 0
-28 + -1n = -7 + 0
-28 + -1n = -7

Add '28' to each side of the equation.
-28 + 28 + -1n = -7 + 28

Combine like terms: -28 + 28 = 0
0 + -1n = -7 + 28
-1n = -7 + 28

Combine like terms: -7 + 28 = 21
-1n = 21

Divide each side by '-1'.
n = -21

Simplifying
n = -21

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