3(2n-7)=10n-9

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Solution for 3(2n-7)=10n-9 equation:


Simplifying
3(2n + -7) = 10n + -9

Reorder the terms:
3(-7 + 2n) = 10n + -9
(-7 * 3 + 2n * 3) = 10n + -9
(-21 + 6n) = 10n + -9

Reorder the terms:
-21 + 6n = -9 + 10n

Solving
-21 + 6n = -9 + 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.
-21 + 6n + -10n = -9 + 10n + -10n

Combine like terms: 6n + -10n = -4n
-21 + -4n = -9 + 10n + -10n

Combine like terms: 10n + -10n = 0
-21 + -4n = -9 + 0
-21 + -4n = -9

Add '21' to each side of the equation.
-21 + 21 + -4n = -9 + 21

Combine like terms: -21 + 21 = 0
0 + -4n = -9 + 21
-4n = -9 + 21

Combine like terms: -9 + 21 = 12
-4n = 12

Divide each side by '-4'.
n = -3

Simplifying
n = -3

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