2n-5=7n+20

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Solution for 2n-5=7n+20 equation:


Simplifying
2n + -5 = 7n + 20

Reorder the terms:
-5 + 2n = 7n + 20

Reorder the terms:
-5 + 2n = 20 + 7n

Solving
-5 + 2n = 20 + 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.
-5 + 2n + -7n = 20 + 7n + -7n

Combine like terms: 2n + -7n = -5n
-5 + -5n = 20 + 7n + -7n

Combine like terms: 7n + -7n = 0
-5 + -5n = 20 + 0
-5 + -5n = 20

Add '5' to each side of the equation.
-5 + 5 + -5n = 20 + 5

Combine like terms: -5 + 5 = 0
0 + -5n = 20 + 5
-5n = 20 + 5

Combine like terms: 20 + 5 = 25
-5n = 25

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

Simplifying
n = -5

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