4n+-7=9n+8

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Solution for 4n+-7=9n+8 equation:


Simplifying
4n + -7 = 9n + 8

Reorder the terms:
-7 + 4n = 9n + 8

Reorder the terms:
-7 + 4n = 8 + 9n

Solving
-7 + 4n = 8 + 9n

Solving for variable 'n'.

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

Add '-9n' to each side of the equation.
-7 + 4n + -9n = 8 + 9n + -9n

Combine like terms: 4n + -9n = -5n
-7 + -5n = 8 + 9n + -9n

Combine like terms: 9n + -9n = 0
-7 + -5n = 8 + 0
-7 + -5n = 8

Add '7' to each side of the equation.
-7 + 7 + -5n = 8 + 7

Combine like terms: -7 + 7 = 0
0 + -5n = 8 + 7
-5n = 8 + 7

Combine like terms: 8 + 7 = 15
-5n = 15

Divide each side by '-5'.
n = -3

Simplifying
n = -3

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