21x-23=23x-7

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Solution for 21x-23=23x-7 equation:


Simplifying
21x + -23 = 23x + -7

Reorder the terms:
-23 + 21x = 23x + -7

Reorder the terms:
-23 + 21x = -7 + 23x

Solving
-23 + 21x = -7 + 23x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-23x' to each side of the equation.
-23 + 21x + -23x = -7 + 23x + -23x

Combine like terms: 21x + -23x = -2x
-23 + -2x = -7 + 23x + -23x

Combine like terms: 23x + -23x = 0
-23 + -2x = -7 + 0
-23 + -2x = -7

Add '23' to each side of the equation.
-23 + 23 + -2x = -7 + 23

Combine like terms: -23 + 23 = 0
0 + -2x = -7 + 23
-2x = -7 + 23

Combine like terms: -7 + 23 = 16
-2x = 16

Divide each side by '-2'.
x = -8

Simplifying
x = -8

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