2n-9=-4+7n

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Solution for 2n-9=-4+7n equation:


Simplifying
2n + -9 = -4 + 7n

Reorder the terms:
-9 + 2n = -4 + 7n

Solving
-9 + 2n = -4 + 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.
-9 + 2n + -7n = -4 + 7n + -7n

Combine like terms: 2n + -7n = -5n
-9 + -5n = -4 + 7n + -7n

Combine like terms: 7n + -7n = 0
-9 + -5n = -4 + 0
-9 + -5n = -4

Add '9' to each side of the equation.
-9 + 9 + -5n = -4 + 9

Combine like terms: -9 + 9 = 0
0 + -5n = -4 + 9
-5n = -4 + 9

Combine like terms: -4 + 9 = 5
-5n = 5

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

Simplifying
n = -1

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