3(5n-7)=

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


Simplifying
3(5n + -7) = 0

Reorder the terms:
3(-7 + 5n) = 0
(-7 * 3 + 5n * 3) = 0
(-21 + 15n) = 0

Solving
-21 + 15n = 0

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 + 15n = 0 + 21

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

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

Divide each side by '15'.
n = 1.4

Simplifying
n = 1.4

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