7-4n+2n=31-56

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Solution for 7-4n+2n=31-56 equation:


Simplifying
7 + -4n + 2n = 31 + -56

Combine like terms: -4n + 2n = -2n
7 + -2n = 31 + -56

Combine like terms: 31 + -56 = -25
7 + -2n = -25

Solving
7 + -2n = -25

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 + -2n = -25 + -7

Combine like terms: 7 + -7 = 0
0 + -2n = -25 + -7
-2n = -25 + -7

Combine like terms: -25 + -7 = -32
-2n = -32

Divide each side by '-2'.
n = 16

Simplifying
n = 16

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