0.10a+0.60(200-a)=0.50(200)

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Solution for 0.10a+0.60(200-a)=0.50(200) equation:


Simplifying
0.10a + 0.60(200 + -1a) = 0.50(200)
0.10a + (200 * 0.60 + -1a * 0.60) = 0.50(200)
0.10a + (120 + -0.6a) = 0.50(200)

Reorder the terms:
120 + 0.10a + -0.6a = 0.50(200)

Combine like terms: 0.10a + -0.6a = -0.5a
120 + -0.5a = 0.50(200)

Multiply 0.50 * 200
120 + -0.5a = 100

Solving
120 + -0.5a = 100

Solving for variable 'a'.

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

Add '-120' to each side of the equation.
120 + -120 + -0.5a = 100 + -120

Combine like terms: 120 + -120 = 0
0 + -0.5a = 100 + -120
-0.5a = 100 + -120

Combine like terms: 100 + -120 = -20
-0.5a = -20

Divide each side by '-0.5'.
a = 40

Simplifying
a = 40

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