3n+10+15=2n+20

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Solution for 3n+10+15=2n+20 equation: 


Simplifying
3n + 10 + 15 = 2n + 20

Reorder the terms:
10 + 15 + 3n = 2n + 20

Combine like terms: 10 + 15 = 25
25 + 3n = 2n + 20

Reorder the terms:
25 + 3n = 20 + 2n

Solving
25 + 3n = 20 + 2n

Solving for variable 'n'.

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

Add '-2n' to each side of the equation.
25 + 3n + -2n = 20 + 2n + -2n

Combine like terms: 3n + -2n = 1n
25 + 1n = 20 + 2n + -2n

Combine like terms: 2n + -2n = 0
25 + 1n = 20 + 0
25 + 1n = 20

Add '-25' to each side of the equation.
25 + -25 + 1n = 20 + -25

Combine like terms: 25 + -25 = 0
0 + 1n = 20 + -25
1n = 20 + -25

Combine like terms: 20 + -25 = -5
1n = -5

Divide each side by '1'.
n = -5

Simplifying
n = -5

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