7x+21x-1=7(4x+2)

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Solution for 7x+21x-1=7(4x+2) equation:


Simplifying
7x + 21x + -1 = 7(4x + 2)

Reorder the terms:
-1 + 7x + 21x = 7(4x + 2)

Combine like terms: 7x + 21x = 28x
-1 + 28x = 7(4x + 2)

Reorder the terms:
-1 + 28x = 7(2 + 4x)
-1 + 28x = (2 * 7 + 4x * 7)
-1 + 28x = (14 + 28x)

Add '-28x' to each side of the equation.
-1 + 28x + -28x = 14 + 28x + -28x

Combine like terms: 28x + -28x = 0
-1 + 0 = 14 + 28x + -28x
-1 = 14 + 28x + -28x

Combine like terms: 28x + -28x = 0
-1 = 14 + 0
-1 = 14

Solving
-1 = 14

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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