-21+8n=4(2n-7)

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Solution for -21+8n=4(2n-7) equation:


Simplifying
-21 + 8n = 4(2n + -7)

Reorder the terms:
-21 + 8n = 4(-7 + 2n)
-21 + 8n = (-7 * 4 + 2n * 4)
-21 + 8n = (-28 + 8n)

Add '-8n' to each side of the equation.
-21 + 8n + -8n = -28 + 8n + -8n

Combine like terms: 8n + -8n = 0
-21 + 0 = -28 + 8n + -8n
-21 = -28 + 8n + -8n

Combine like terms: 8n + -8n = 0
-21 = -28 + 0
-21 = -28

Solving
-21 = -28

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.

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