10x+10x-21x=-1

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Solution for 10x+10x-21x=-1 equation: 


Simplifying
10x + 10x + -21x = -1

Combine like terms: 10x + 10x = 20x
20x + -21x = -1

Combine like terms: 20x + -21x = -1x
-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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