9x-4=21-11x

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Solution for 9x-4=21-11x equation:


Simplifying
9x + -4 = 21 + -11x

Reorder the terms:
-4 + 9x = 21 + -11x

Solving
-4 + 9x = 21 + -11x

Solving for variable 'x'.

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

Add '11x' to each side of the equation.
-4 + 9x + 11x = 21 + -11x + 11x

Combine like terms: 9x + 11x = 20x
-4 + 20x = 21 + -11x + 11x

Combine like terms: -11x + 11x = 0
-4 + 20x = 21 + 0
-4 + 20x = 21

Add '4' to each side of the equation.
-4 + 4 + 20x = 21 + 4

Combine like terms: -4 + 4 = 0
0 + 20x = 21 + 4
20x = 21 + 4

Combine like terms: 21 + 4 = 25
20x = 25

Divide each side by '20'.
x = 1.25

Simplifying
x = 1.25

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