.21(10000)-.02y=.08(y+10000)

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Solution for .21(10000)-.02y=.08(y+10000) equation:


Simplifying
0.21(10000) + -0.02y = 0.08(y + 10000)

Multiply 0.21 * 10000
2100 + -0.02y = 0.08(y + 10000)

Reorder the terms:
2100 + -0.02y = 0.08(10000 + y)
2100 + -0.02y = (10000 * 0.08 + y * 0.08)
2100 + -0.02y = (800 + 0.08y)

Solving
2100 + -0.02y = 800 + 0.08y

Solving for variable 'y'.

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

Add '-0.08y' to each side of the equation.
2100 + -0.02y + -0.08y = 800 + 0.08y + -0.08y

Combine like terms: -0.02y + -0.08y = -0.1y
2100 + -0.1y = 800 + 0.08y + -0.08y

Combine like terms: 0.08y + -0.08y = 0.00
2100 + -0.1y = 800 + 0.00
2100 + -0.1y = 800

Add '-2100' to each side of the equation.
2100 + -2100 + -0.1y = 800 + -2100

Combine like terms: 2100 + -2100 = 0
0 + -0.1y = 800 + -2100
-0.1y = 800 + -2100

Combine like terms: 800 + -2100 = -1300
-0.1y = -1300

Divide each side by '-0.1'.
y = 13000

Simplifying
y = 13000

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