9+2n=-7+5n-7n

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Solution for 9+2n=-7+5n-7n equation:


Simplifying
9 + 2n = -7 + 5n + -7n

Combine like terms: 5n + -7n = -2n
9 + 2n = -7 + -2n

Solving
9 + 2n = -7 + -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.
9 + 2n + 2n = -7 + -2n + 2n

Combine like terms: 2n + 2n = 4n
9 + 4n = -7 + -2n + 2n

Combine like terms: -2n + 2n = 0
9 + 4n = -7 + 0
9 + 4n = -7

Add '-9' to each side of the equation.
9 + -9 + 4n = -7 + -9

Combine like terms: 9 + -9 = 0
0 + 4n = -7 + -9
4n = -7 + -9

Combine like terms: -7 + -9 = -16
4n = -16

Divide each side by '4'.
n = -4

Simplifying
n = -4

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