21x+8=23x-1

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Solution for 21x+8=23x-1 equation:


Simplifying
21x + 8 = 23x + -1

Reorder the terms:
8 + 21x = 23x + -1

Reorder the terms:
8 + 21x = -1 + 23x

Solving
8 + 21x = -1 + 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.
8 + 21x + -23x = -1 + 23x + -23x

Combine like terms: 21x + -23x = -2x
8 + -2x = -1 + 23x + -23x

Combine like terms: 23x + -23x = 0
8 + -2x = -1 + 0
8 + -2x = -1

Add '-8' to each side of the equation.
8 + -8 + -2x = -1 + -8

Combine like terms: 8 + -8 = 0
0 + -2x = -1 + -8
-2x = -1 + -8

Combine like terms: -1 + -8 = -9
-2x = -9

Divide each side by '-2'.
x = 4.5

Simplifying
x = 4.5

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