5x-7=3(4x-7)-7-7x

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


Simplifying
5x + -7 = 3(4x + -7) + -7 + -7x

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

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

Reorder the terms:
-7 + 5x = -21 + -7 + 12x + -7x

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

Combine like terms: 12x + -7x = 5x
-7 + 5x = -28 + 5x

Add '-5x' to each side of the equation.
-7 + 5x + -5x = -28 + 5x + -5x

Combine like terms: 5x + -5x = 0
-7 + 0 = -28 + 5x + -5x
-7 = -28 + 5x + -5x

Combine like terms: 5x + -5x = 0
-7 = -28 + 0
-7 = -28

Solving
-7 = -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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