7(n-1)=70

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Solution for 7(n-1)=70 equation: 


Simplifying
7(n + -1) = 70

Reorder the terms:
7(-1 + n) = 70
(-1 * 7 + n * 7) = 70
(-7 + 7n) = 70

Solving
-7 + 7n = 70

Solving for variable 'n'.

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

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

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

Combine like terms: 70 + 7 = 77
7n = 77

Divide each side by '7'.
n = 11

Simplifying
n = 11

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