7(5n-3)=5n+9

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Solution for 7(5n-3)=5n+9 equation:


Simplifying
7(5n + -3) = 5n + 9

Reorder the terms:
7(-3 + 5n) = 5n + 9
(-3 * 7 + 5n * 7) = 5n + 9
(-21 + 35n) = 5n + 9

Reorder the terms:
-21 + 35n = 9 + 5n

Solving
-21 + 35n = 9 + 5n

Solving for variable 'n'.

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

Add '-5n' to each side of the equation.
-21 + 35n + -5n = 9 + 5n + -5n

Combine like terms: 35n + -5n = 30n
-21 + 30n = 9 + 5n + -5n

Combine like terms: 5n + -5n = 0
-21 + 30n = 9 + 0
-21 + 30n = 9

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

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

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

Divide each side by '30'.
n = 1

Simplifying
n = 1

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