9n-70=2n

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Solution for 9n-70=2n equation:


Simplifying
9n + -70 = 2n

Reorder the terms:
-70 + 9n = 2n

Solving
-70 + 9n = 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.
-70 + 9n + -2n = 2n + -2n

Combine like terms: 9n + -2n = 7n
-70 + 7n = 2n + -2n

Combine like terms: 2n + -2n = 0
-70 + 7n = 0

Add '70' to each side of the equation.
-70 + 70 + 7n = 0 + 70

Combine like terms: -70 + 70 = 0
0 + 7n = 0 + 70
7n = 0 + 70

Combine like terms: 0 + 70 = 70
7n = 70

Divide each side by '7'.
n = 10

Simplifying
n = 10

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