-9x-21=-20x-847

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Solution for -9x-21=-20x-847 equation:


Simplifying
-9x + -21 = -20x + -847

Reorder the terms:
-21 + -9x = -20x + -847

Reorder the terms:
-21 + -9x = -847 + -20x

Solving
-21 + -9x = -847 + -20x

Solving for variable 'x'.

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

Add '20x' to each side of the equation.
-21 + -9x + 20x = -847 + -20x + 20x

Combine like terms: -9x + 20x = 11x
-21 + 11x = -847 + -20x + 20x

Combine like terms: -20x + 20x = 0
-21 + 11x = -847 + 0
-21 + 11x = -847

Add '21' to each side of the equation.
-21 + 21 + 11x = -847 + 21

Combine like terms: -21 + 21 = 0
0 + 11x = -847 + 21
11x = -847 + 21

Combine like terms: -847 + 21 = -826
11x = -826

Divide each side by '11'.
x = -75.09090909

Simplifying
x = -75.09090909

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