2n-4+7n=3+8n

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Solution for 2n-4+7n=3+8n equation:


Simplifying
2n + -4 + 7n = 3 + 8n

Reorder the terms:
-4 + 2n + 7n = 3 + 8n

Combine like terms: 2n + 7n = 9n
-4 + 9n = 3 + 8n

Solving
-4 + 9n = 3 + 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.
-4 + 9n + -8n = 3 + 8n + -8n

Combine like terms: 9n + -8n = 1n
-4 + 1n = 3 + 8n + -8n

Combine like terms: 8n + -8n = 0
-4 + 1n = 3 + 0
-4 + 1n = 3

Add '4' to each side of the equation.
-4 + 4 + 1n = 3 + 4

Combine like terms: -4 + 4 = 0
0 + 1n = 3 + 4
1n = 3 + 4

Combine like terms: 3 + 4 = 7
1n = 7

Divide each side by '1'.
n = 7

Simplifying
n = 7

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