.25x+.75(9-x)=(54)9

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Solution for .25x+.75(9-x)=(54)9 equation:


Simplifying
0.25x + 0.75(9 + -1x) = (54) * 9
0.25x + (9 * 0.75 + -1x * 0.75) = (54) * 9
0.25x + (6.75 + -0.75x) = (54) * 9

Reorder the terms:
6.75 + 0.25x + -0.75x = (54) * 9

Combine like terms: 0.25x + -0.75x = -0.5x
6.75 + -0.5x = (54) * 9

Multiply 54 * 9
6.75 + -0.5x = 486

Solving
6.75 + -0.5x = 486

Solving for variable 'x'.

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

Add '-6.75' to each side of the equation.
6.75 + -6.75 + -0.5x = 486 + -6.75

Combine like terms: 6.75 + -6.75 = 0.00
0.00 + -0.5x = 486 + -6.75
-0.5x = 486 + -6.75

Combine like terms: 486 + -6.75 = 479.25
-0.5x = 479.25

Divide each side by '-0.5'.
x = -958.5

Simplifying
x = -958.5

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