y=(300+0.8(y-1000))

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Solution for y=(300+0.8(y-1000)) equation:


Simplifying
y = (300 + 0.8(y + -1000))

Reorder the terms:
y = (300 + 0.8(-1000 + y))
y = (300 + (-1000 * 0.8 + y * 0.8))
y = (300 + (-800 + 0.8y))

Combine like terms: 300 + -800 = -500
y = (-500 + 0.8y)

Remove parenthesis around (-500 + 0.8y)
y = -500 + 0.8y

Solving
y = -500 + 0.8y

Solving for variable 'y'.

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

Add '-0.8y' to each side of the equation.
y + -0.8y = -500 + 0.8y + -0.8y

Combine like terms: y + -0.8y = 0.2y
0.2y = -500 + 0.8y + -0.8y

Combine like terms: 0.8y + -0.8y = 0.0
0.2y = -500 + 0.0
0.2y = -500

Divide each side by '0.2'.
y = -2500

Simplifying
y = -2500

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