10(3+3n)=9+9n

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Solution for 10(3+3n)=9+9n equation:


Simplifying
10(3 + 3n) = 9 + 9n
(3 * 10 + 3n * 10) = 9 + 9n
(30 + 30n) = 9 + 9n

Solving
30 + 30n = 9 + 9n

Solving for variable 'n'.

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

Add '-9n' to each side of the equation.
30 + 30n + -9n = 9 + 9n + -9n

Combine like terms: 30n + -9n = 21n
30 + 21n = 9 + 9n + -9n

Combine like terms: 9n + -9n = 0
30 + 21n = 9 + 0
30 + 21n = 9

Add '-30' to each side of the equation.
30 + -30 + 21n = 9 + -30

Combine like terms: 30 + -30 = 0
0 + 21n = 9 + -30
21n = 9 + -30

Combine like terms: 9 + -30 = -21
21n = -21

Divide each side by '21'.
n = -1

Simplifying
n = -1

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