3n-7=5(2n+7)

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Solution for 3n-7=5(2n+7) equation:


Simplifying
3n + -7 = 5(2n + 7)

Reorder the terms:
-7 + 3n = 5(2n + 7)

Reorder the terms:
-7 + 3n = 5(7 + 2n)
-7 + 3n = (7 * 5 + 2n * 5)
-7 + 3n = (35 + 10n)

Solving
-7 + 3n = 35 + 10n

Solving for variable 'n'.

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

Add '-10n' to each side of the equation.
-7 + 3n + -10n = 35 + 10n + -10n

Combine like terms: 3n + -10n = -7n
-7 + -7n = 35 + 10n + -10n

Combine like terms: 10n + -10n = 0
-7 + -7n = 35 + 0
-7 + -7n = 35

Add '7' to each side of the equation.
-7 + 7 + -7n = 35 + 7

Combine like terms: -7 + 7 = 0
0 + -7n = 35 + 7
-7n = 35 + 7

Combine like terms: 35 + 7 = 42
-7n = 42

Divide each side by '-7'.
n = -6

Simplifying
n = -6

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