7n+5-2n=40

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Solution for 7n+5-2n=40 equation:


Simplifying
7n + 5 + -2n = 40

Reorder the terms:
5 + 7n + -2n = 40

Combine like terms: 7n + -2n = 5n
5 + 5n = 40

Solving
5 + 5n = 40

Solving for variable 'n'.

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

Add '-5' to each side of the equation.
5 + -5 + 5n = 40 + -5

Combine like terms: 5 + -5 = 0
0 + 5n = 40 + -5
5n = 40 + -5

Combine like terms: 40 + -5 = 35
5n = 35

Divide each side by '5'.
n = 7

Simplifying
n = 7

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