10x-10-x-21=0

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Solution for 10x-10-x-21=0 equation:


Simplifying
10x + -10 + -1x + -21 = 0

Reorder the terms:
-10 + -21 + 10x + -1x = 0

Combine like terms: -10 + -21 = -31
-31 + 10x + -1x = 0

Combine like terms: 10x + -1x = 9x
-31 + 9x = 0

Solving
-31 + 9x = 0

Solving for variable 'x'.

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

Add '31' to each side of the equation.
-31 + 31 + 9x = 0 + 31

Combine like terms: -31 + 31 = 0
0 + 9x = 0 + 31
9x = 0 + 31

Combine like terms: 0 + 31 = 31
9x = 31

Divide each side by '9'.
x = 3.444444444

Simplifying
x = 3.444444444

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