21x-43=7(2x-5)+7x-8

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Solution for 21x-43=7(2x-5)+7x-8 equation:


Simplifying
21x + -43 = 7(2x + -5) + 7x + -8

Reorder the terms:
-43 + 21x = 7(2x + -5) + 7x + -8

Reorder the terms:
-43 + 21x = 7(-5 + 2x) + 7x + -8
-43 + 21x = (-5 * 7 + 2x * 7) + 7x + -8
-43 + 21x = (-35 + 14x) + 7x + -8

Reorder the terms:
-43 + 21x = -35 + -8 + 14x + 7x

Combine like terms: -35 + -8 = -43
-43 + 21x = -43 + 14x + 7x

Combine like terms: 14x + 7x = 21x
-43 + 21x = -43 + 21x

Add '43' to each side of the equation.
-43 + 43 + 21x = -43 + 43 + 21x

Combine like terms: -43 + 43 = 0
0 + 21x = -43 + 43 + 21x
21x = -43 + 43 + 21x

Combine like terms: -43 + 43 = 0
21x = 0 + 21x
21x = 21x

Add '-21x' to each side of the equation.
21x + -21x = 21x + -21x

Combine like terms: 21x + -21x = 0
0 = 21x + -21x

Combine like terms: 21x + -21x = 0
0 = 0

Solving
0 = 0

Couldn't find a variable to solve for.

This equation is an identity, all real numbers are solutions.

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