144=n+3*n-7

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Solution for 144=n+3*n-7 equation:


Simplifying
144 = n + 3n + -7

Reorder the terms:
144 = -7 + n + 3n

Combine like terms: n + 3n = 4n
144 = -7 + 4n

Solving
144 = -7 + 4n

Solving for variable 'n'.

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

Add '-4n' to each side of the equation.
144 + -4n = -7 + 4n + -4n

Combine like terms: 4n + -4n = 0
144 + -4n = -7 + 0
144 + -4n = -7

Add '-144' to each side of the equation.
144 + -144 + -4n = -7 + -144

Combine like terms: 144 + -144 = 0
0 + -4n = -7 + -144
-4n = -7 + -144

Combine like terms: -7 + -144 = -151
-4n = -151

Divide each side by '-4'.
n = 37.75

Simplifying
n = 37.75

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