7n+30=2n-25

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Solution for 7n+30=2n-25 equation:


Simplifying
7n + 30 = 2n + -25

Reorder the terms:
30 + 7n = 2n + -25

Reorder the terms:
30 + 7n = -25 + 2n

Solving
30 + 7n = -25 + 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.
30 + 7n + -2n = -25 + 2n + -2n

Combine like terms: 7n + -2n = 5n
30 + 5n = -25 + 2n + -2n

Combine like terms: 2n + -2n = 0
30 + 5n = -25 + 0
30 + 5n = -25

Add '-30' to each side of the equation.
30 + -30 + 5n = -25 + -30

Combine like terms: 30 + -30 = 0
0 + 5n = -25 + -30
5n = -25 + -30

Combine like terms: -25 + -30 = -55
5n = -55

Divide each side by '5'.
n = -11

Simplifying
n = -11

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