.89x-8.75x=21-.86x

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Solution for .89x-8.75x=21-.86x equation:


Simplifying
0.89x + -8.75x = 21 + -0.86x

Combine like terms: 0.89x + -8.75x = -7.86x
-7.86x = 21 + -0.86x

Solving
-7.86x = 21 + -0.86x

Solving for variable 'x'.

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

Add '0.86x' to each side of the equation.
-7.86x + 0.86x = 21 + -0.86x + 0.86x

Combine like terms: -7.86x + 0.86x = -7x
-7x = 21 + -0.86x + 0.86x

Combine like terms: -0.86x + 0.86x = 0.00
-7x = 21 + 0.00
-7x = 21

Divide each side by '-7'.
x = -3

Simplifying
x = -3

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