.25x-(9-.25x)=21

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Solution for .25x-(9-.25x)=21 equation:


Simplifying
0.25x + -1(9 + -0.25x) = 21
0.25x + (9 * -1 + -0.25x * -1) = 21
0.25x + (-9 + 0.25x) = 21

Reorder the terms:
-9 + 0.25x + 0.25x = 21

Combine like terms: 0.25x + 0.25x = 0.5x
-9 + 0.5x = 21

Solving
-9 + 0.5x = 21

Solving for variable 'x'.

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

Add '9' to each side of the equation.
-9 + 9 + 0.5x = 21 + 9

Combine like terms: -9 + 9 = 0
0 + 0.5x = 21 + 9
0.5x = 21 + 9

Combine like terms: 21 + 9 = 30
0.5x = 30

Divide each side by '0.5'.
x = 60

Simplifying
x = 60

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