21x-22x=7-8

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Solution for 21x-22x=7-8 equation: 


Simplifying
21x + -22x = 7 + -8

Combine like terms: 21x + -22x = -1x
-1x = 7 + -8

Combine like terms: 7 + -8 = -1
-1x = -1

Solving
-1x = -1

Solving for variable 'x'.

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

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

Simplifying
x = 1

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