3y=800-4(-2y+300)

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Solution for 3y=800-4(-2y+300) equation:


Simplifying
3y = 800 + -4(-2y + 300)

Reorder the terms:
3y = 800 + -4(300 + -2y)
3y = 800 + (300 * -4 + -2y * -4)
3y = 800 + (-1200 + 8y)

Combine like terms: 800 + -1200 = -400
3y = -400 + 8y

Solving
3y = -400 + 8y

Solving for variable 'y'.

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

Add '-8y' to each side of the equation.
3y + -8y = -400 + 8y + -8y

Combine like terms: 3y + -8y = -5y
-5y = -400 + 8y + -8y

Combine like terms: 8y + -8y = 0
-5y = -400 + 0
-5y = -400

Divide each side by '-5'.
y = 80

Simplifying
y = 80

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