3(2+1)=2n+7+3n

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Solution for 3(2+1)=2n+7+3n equation:


Simplifying
3(2 + 1) = 2n + 7 + 3n

Combine like terms: 2 + 1 = 3
3(3) = 2n + 7 + 3n

Multiply 3 * 3
9 = 2n + 7 + 3n

Reorder the terms:
9 = 7 + 2n + 3n

Combine like terms: 2n + 3n = 5n
9 = 7 + 5n

Solving
9 = 7 + 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.
9 + -5n = 7 + 5n + -5n

Combine like terms: 5n + -5n = 0
9 + -5n = 7 + 0
9 + -5n = 7

Add '-9' to each side of the equation.
9 + -9 + -5n = 7 + -9

Combine like terms: 9 + -9 = 0
0 + -5n = 7 + -9
-5n = 7 + -9

Combine like terms: 7 + -9 = -2
-5n = -2

Divide each side by '-5'.
n = 0.4

Simplifying
n = 0.4

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