7(4n-1)=21

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Solution for 7(4n-1)=21 equation:


Simplifying
7(4n + -1) = 21

Reorder the terms:
7(-1 + 4n) = 21
(-1 * 7 + 4n * 7) = 21
(-7 + 28n) = 21

Solving
-7 + 28n = 21

Solving for variable 'n'.

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

Add '7' to each side of the equation.
-7 + 7 + 28n = 21 + 7

Combine like terms: -7 + 7 = 0
0 + 28n = 21 + 7
28n = 21 + 7

Combine like terms: 21 + 7 = 28
28n = 28

Divide each side by '28'.
n = 1

Simplifying
n = 1

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