5n-28=3(4n-7)

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Solution for 5n-28=3(4n-7) equation:


Simplifying
5n + -28 = 3(4n + -7)

Reorder the terms:
-28 + 5n = 3(4n + -7)

Reorder the terms:
-28 + 5n = 3(-7 + 4n)
-28 + 5n = (-7 * 3 + 4n * 3)
-28 + 5n = (-21 + 12n)

Solving
-28 + 5n = -21 + 12n

Solving for variable 'n'.

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

Add '-12n' to each side of the equation.
-28 + 5n + -12n = -21 + 12n + -12n

Combine like terms: 5n + -12n = -7n
-28 + -7n = -21 + 12n + -12n

Combine like terms: 12n + -12n = 0
-28 + -7n = -21 + 0
-28 + -7n = -21

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

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

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

Divide each side by '-7'.
n = -1

Simplifying
n = -1

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