.75x+9=.25x+21

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Solution for .75x+9=.25x+21 equation:


Simplifying
0.75x + 9 = 0.25x + 21

Reorder the terms:
9 + 0.75x = 0.25x + 21

Reorder the terms:
9 + 0.75x = 21 + 0.25x

Solving
9 + 0.75x = 21 + 0.25x

Solving for variable 'x'.

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

Add '-0.25x' to each side of the equation.
9 + 0.75x + -0.25x = 21 + 0.25x + -0.25x

Combine like terms: 0.75x + -0.25x = 0.5x
9 + 0.5x = 21 + 0.25x + -0.25x

Combine like terms: 0.25x + -0.25x = 0.00
9 + 0.5x = 21 + 0.00
9 + 0.5x = 21

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 = 12
0.5x = 12

Divide each side by '0.5'.
x = 24

Simplifying
x = 24

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