3x+21x-8=6(4x+7)

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Solution for 3x+21x-8=6(4x+7) equation:


Simplifying
3x + 21x + -8 = 6(4x + 7)

Reorder the terms:
-8 + 3x + 21x = 6(4x + 7)

Combine like terms: 3x + 21x = 24x
-8 + 24x = 6(4x + 7)

Reorder the terms:
-8 + 24x = 6(7 + 4x)
-8 + 24x = (7 * 6 + 4x * 6)
-8 + 24x = (42 + 24x)

Add '-24x' to each side of the equation.
-8 + 24x + -24x = 42 + 24x + -24x

Combine like terms: 24x + -24x = 0
-8 + 0 = 42 + 24x + -24x
-8 = 42 + 24x + -24x

Combine like terms: 24x + -24x = 0
-8 = 42 + 0
-8 = 42

Solving
-8 = 42

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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