3(5+2n)=7+10n

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Solution for 3(5+2n)=7+10n equation:


Simplifying
3(5 + 2n) = 7 + 10n
(5 * 3 + 2n * 3) = 7 + 10n
(15 + 6n) = 7 + 10n

Solving
15 + 6n = 7 + 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.
15 + 6n + -10n = 7 + 10n + -10n

Combine like terms: 6n + -10n = -4n
15 + -4n = 7 + 10n + -10n

Combine like terms: 10n + -10n = 0
15 + -4n = 7 + 0
15 + -4n = 7

Add '-15' to each side of the equation.
15 + -15 + -4n = 7 + -15

Combine like terms: 15 + -15 = 0
0 + -4n = 7 + -15
-4n = 7 + -15

Combine like terms: 7 + -15 = -8
-4n = -8

Divide each side by '-4'.
n = 2

Simplifying
n = 2

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