4n-40=7-3n+2

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Solution for 4n-40=7-3n+2 equation:


Simplifying
4n + -40 = 7 + -3n + 2

Reorder the terms:
-40 + 4n = 7 + -3n + 2

Reorder the terms:
-40 + 4n = 7 + 2 + -3n

Combine like terms: 7 + 2 = 9
-40 + 4n = 9 + -3n

Solving
-40 + 4n = 9 + -3n

Solving for variable 'n'.

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

Add '3n' to each side of the equation.
-40 + 4n + 3n = 9 + -3n + 3n

Combine like terms: 4n + 3n = 7n
-40 + 7n = 9 + -3n + 3n

Combine like terms: -3n + 3n = 0
-40 + 7n = 9 + 0
-40 + 7n = 9

Add '40' to each side of the equation.
-40 + 40 + 7n = 9 + 40

Combine like terms: -40 + 40 = 0
0 + 7n = 9 + 40
7n = 9 + 40

Combine like terms: 9 + 40 = 49
7n = 49

Divide each side by '7'.
n = 7

Simplifying
n = 7

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