4(n-7)=-21+5n

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Solution for 4(n-7)=-21+5n equation:


Simplifying
4(n + -7) = -21 + 5n

Reorder the terms:
4(-7 + n) = -21 + 5n
(-7 * 4 + n * 4) = -21 + 5n
(-28 + 4n) = -21 + 5n

Solving
-28 + 4n = -21 + 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.
-28 + 4n + -5n = -21 + 5n + -5n

Combine like terms: 4n + -5n = -1n
-28 + -1n = -21 + 5n + -5n

Combine like terms: 5n + -5n = 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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