21x-23x=5-7

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Solution for 21x-23x=5-7 equation: 


Simplifying
21x + -23x = 5 + -7

Combine like terms: 21x + -23x = -2x
-2x = 5 + -7

Combine like terms: 5 + -7 = -2
-2x = -2

Solving
-2x = -2

Solving for variable 'x'.

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

Divide each side by '-2'.
x = 1

Simplifying
x = 1

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