.03x+.1(200-x)=.05(200)

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Solution for .03x+.1(200-x)=.05(200) equation:


Simplifying
0.03x + 0.1(200 + -1x) = 0.05(200)
0.03x + (200 * 0.1 + -1x * 0.1) = 0.05(200)
0.03x + (20 + -0.1x) = 0.05(200)

Reorder the terms:
20 + 0.03x + -0.1x = 0.05(200)

Combine like terms: 0.03x + -0.1x = -0.07x
20 + -0.07x = 0.05(200)

Multiply 0.05 * 200
20 + -0.07x = 10

Solving
20 + -0.07x = 10

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 + -0.07x = 10 + -20

Combine like terms: 20 + -20 = 0
0 + -0.07x = 10 + -20
-0.07x = 10 + -20

Combine like terms: 10 + -20 = -10
-0.07x = -10

Divide each side by '-0.07'.
x = 142.8571429

Simplifying
x = 142.8571429

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