2n-7*3=15

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Solution for 2n-7*3=15 equation: 


Simplifying
2n + -7 * 3 = 15

Multiply -7 * 3
2n + -21 = 15

Reorder the terms:
-21 + 2n = 15

Solving
-21 + 2n = 15

Solving for variable 'n'.

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

Add '21' to each side of the equation.
-21 + 21 + 2n = 15 + 21

Combine like terms: -21 + 21 = 0
0 + 2n = 15 + 21
2n = 15 + 21

Combine like terms: 15 + 21 = 36
2n = 36

Divide each side by '2'.
n = 18

Simplifying
n = 18

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