7-2n=n-143

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Solution for 7-2n=n-143 equation:


Simplifying
7 + -2n = n + -143

Reorder the terms:
7 + -2n = -143 + n

Solving
7 + -2n = -143 + n

Solving for variable 'n'.

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

Add '-1n' to each side of the equation.
7 + -2n + -1n = -143 + n + -1n

Combine like terms: -2n + -1n = -3n
7 + -3n = -143 + n + -1n

Combine like terms: n + -1n = 0
7 + -3n = -143 + 0
7 + -3n = -143

Add '-7' to each side of the equation.
7 + -7 + -3n = -143 + -7

Combine like terms: 7 + -7 = 0
0 + -3n = -143 + -7
-3n = -143 + -7

Combine like terms: -143 + -7 = -150
-3n = -150

Divide each side by '-3'.
n = 50

Simplifying
n = 50

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