.25(x)+.50(1000-x)=.45(1000)

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Solution for .25(x)+.50(1000-x)=.45(1000) equation:


Simplifying
0.25(x) + 0.50(1000 + -1x) = 0.45(1000)
0.25x + (1000 * 0.50 + -1x * 0.50) = 0.45(1000)
0.25x + (500 + -0.5x) = 0.45(1000)

Reorder the terms:
500 + 0.25x + -0.5x = 0.45(1000)

Combine like terms: 0.25x + -0.5x = -0.25x
500 + -0.25x = 0.45(1000)

Multiply 0.45 * 1000
500 + -0.25x = 450

Solving
500 + -0.25x = 450

Solving for variable 'x'.

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

Add '-500' to each side of the equation.
500 + -500 + -0.25x = 450 + -500

Combine like terms: 500 + -500 = 0
0 + -0.25x = 450 + -500
-0.25x = 450 + -500

Combine like terms: 450 + -500 = -50
-0.25x = -50

Divide each side by '-0.25'.
x = 200

Simplifying
x = 200

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