7n+15=6n+20

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Solution for 7n+15=6n+20 equation:


Simplifying
7n + 15 = 6n + 20

Reorder the terms:
15 + 7n = 6n + 20

Reorder the terms:
15 + 7n = 20 + 6n

Solving
15 + 7n = 20 + 6n

Solving for variable 'n'.

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

Add '-6n' to each side of the equation.
15 + 7n + -6n = 20 + 6n + -6n

Combine like terms: 7n + -6n = 1n
15 + 1n = 20 + 6n + -6n

Combine like terms: 6n + -6n = 0
15 + 1n = 20 + 0
15 + 1n = 20

Add '-15' to each side of the equation.
15 + -15 + 1n = 20 + -15

Combine like terms: 15 + -15 = 0
0 + 1n = 20 + -15
1n = 20 + -15

Combine like terms: 20 + -15 = 5
1n = 5

Divide each side by '1'.
n = 5

Simplifying
n = 5

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