3n+(-7)=2n-72

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Solution for 3n+(-7)=2n-72 equation:


Simplifying
3n + (-7) = 2n + -72
3n + -7 = 2n + -72

Reorder the terms:
-7 + 3n = 2n + -72

Reorder the terms:
-7 + 3n = -72 + 2n

Solving
-7 + 3n = -72 + 2n

Solving for variable 'n'.

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

Add '-2n' to each side of the equation.
-7 + 3n + -2n = -72 + 2n + -2n

Combine like terms: 3n + -2n = 1n
-7 + 1n = -72 + 2n + -2n

Combine like terms: 2n + -2n = 0
-7 + 1n = -72 + 0
-7 + 1n = -72

Add '7' to each side of the equation.
-7 + 7 + 1n = -72 + 7

Combine like terms: -7 + 7 = 0
0 + 1n = -72 + 7
1n = -72 + 7

Combine like terms: -72 + 7 = -65
1n = -65

Divide each side by '1'.
n = -65

Simplifying
n = -65

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