7(n-4)=-21+6n

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Solution for 7(n-4)=-21+6n equation:


Simplifying
7(n + -4) = -21 + 6n

Reorder the terms:
7(-4 + n) = -21 + 6n
(-4 * 7 + n * 7) = -21 + 6n
(-28 + 7n) = -21 + 6n

Solving
-28 + 7n = -21 + 6n

Solving for variable 'n'.

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

Add '-6n' to each side of the equation.
-28 + 7n + -6n = -21 + 6n + -6n

Combine like terms: 7n + -6n = 1n
-28 + 1n = -21 + 6n + -6n

Combine like terms: 6n + -6n = 0
-28 + 1n = -21 + 0
-28 + 1n = -21

Add '28' to each side of the equation.
-28 + 28 + 1n = -21 + 28

Combine like terms: -28 + 28 = 0
0 + 1n = -21 + 28
1n = -21 + 28

Combine like terms: -21 + 28 = 7
1n = 7

Divide each side by '1'.
n = 7

Simplifying
n = 7

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