30+3n=5n+7(3n+1)

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Solution for 30+3n=5n+7(3n+1) equation:


Simplifying
30 + 3n = 5n + 7(3n + 1)

Reorder the terms:
30 + 3n = 5n + 7(1 + 3n)
30 + 3n = 5n + (1 * 7 + 3n * 7)
30 + 3n = 5n + (7 + 21n)

Reorder the terms:
30 + 3n = 7 + 5n + 21n

Combine like terms: 5n + 21n = 26n
30 + 3n = 7 + 26n

Solving
30 + 3n = 7 + 26n

Solving for variable 'n'.

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

Add '-26n' to each side of the equation.
30 + 3n + -26n = 7 + 26n + -26n

Combine like terms: 3n + -26n = -23n
30 + -23n = 7 + 26n + -26n

Combine like terms: 26n + -26n = 0
30 + -23n = 7 + 0
30 + -23n = 7

Add '-30' to each side of the equation.
30 + -30 + -23n = 7 + -30

Combine like terms: 30 + -30 = 0
0 + -23n = 7 + -30
-23n = 7 + -30

Combine like terms: 7 + -30 = -23
-23n = -23

Divide each side by '-23'.
n = 1

Simplifying
n = 1

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