19x-21=2(6x-7)+7x-7

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Solution for 19x-21=2(6x-7)+7x-7 equation: 


Simplifying
19x + -21 = 2(6x + -7) + 7x + -7

Reorder the terms:
-21 + 19x = 2(6x + -7) + 7x + -7

Reorder the terms:
-21 + 19x = 2(-7 + 6x) + 7x + -7
-21 + 19x = (-7 * 2 + 6x * 2) + 7x + -7
-21 + 19x = (-14 + 12x) + 7x + -7

Reorder the terms:
-21 + 19x = -14 + -7 + 12x + 7x

Combine like terms: -14 + -7 = -21
-21 + 19x = -21 + 12x + 7x

Combine like terms: 12x + 7x = 19x
-21 + 19x = -21 + 19x

Add '21' to each side of the equation.
-21 + 21 + 19x = -21 + 21 + 19x

Combine like terms: -21 + 21 = 0
0 + 19x = -21 + 21 + 19x
19x = -21 + 21 + 19x

Combine like terms: -21 + 21 = 0
19x = 0 + 19x
19x = 19x

Add '-19x' to each side of the equation.
19x + -19x = 19x + -19x

Combine like terms: 19x + -19x = 0
0 = 19x + -19x

Combine like terms: 19x + -19x = 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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