10(9+n)=70

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Solution for 10(9+n)=70 equation: 


Simplifying
10(9 + n) = 70
(9 * 10 + n * 10) = 70
(90 + 10n) = 70

Solving
90 + 10n = 70

Solving for variable 'n'.

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

Add '-90' to each side of the equation.
90 + -90 + 10n = 70 + -90

Combine like terms: 90 + -90 = 0
0 + 10n = 70 + -90
10n = 70 + -90

Combine like terms: 70 + -90 = -20
10n = -20

Divide each side by '10'.
n = -2

Simplifying
n = -2

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