4n-7+9n=-30

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Solution for 4n-7+9n=-30 equation:


Simplifying
4n + -7 + 9n = -30

Reorder the terms:
-7 + 4n + 9n = -30

Combine like terms: 4n + 9n = 13n
-7 + 13n = -30

Solving
-7 + 13n = -30

Solving for variable 'n'.

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

Add '7' to each side of the equation.
-7 + 7 + 13n = -30 + 7

Combine like terms: -7 + 7 = 0
0 + 13n = -30 + 7
13n = -30 + 7

Combine like terms: -30 + 7 = -23
13n = -23

Divide each side by '13'.
n = -1.769230769

Simplifying
n = -1.769230769

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