0.3x+0.8(25-x)=0.5(25)

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Solution for 0.3x+0.8(25-x)=0.5(25) equation:


Simplifying
0.3x + 0.8(25 + -1x) = 0.5(25)
0.3x + (25 * 0.8 + -1x * 0.8) = 0.5(25)
0.3x + (20 + -0.8x) = 0.5(25)

Reorder the terms:
20 + 0.3x + -0.8x = 0.5(25)

Combine like terms: 0.3x + -0.8x = -0.5x
20 + -0.5x = 0.5(25)

Multiply 0.5 * 25
20 + -0.5x = 12.5

Solving
20 + -0.5x = 12.5

Solving for variable 'x'.

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

Add '-20' to each side of the equation.
20 + -20 + -0.5x = 12.5 + -20

Combine like terms: 20 + -20 = 0
0 + -0.5x = 12.5 + -20
-0.5x = 12.5 + -20

Combine like terms: 12.5 + -20 = -7.5
-0.5x = -7.5

Divide each side by '-0.5'.
x = 15

Simplifying
x = 15

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