4(20+-.05y)+2y=80

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Solution for 4(20+-.05y)+2y=80 equation:


Simplifying
4(20 + -0.05y) + 2y = 80
(20 * 4 + -0.05y * 4) + 2y = 80
(80 + -0.2y) + 2y = 80

Combine like terms: -0.2y + 2y = 1.8y
80 + 1.8y = 80

Add '-80' to each side of the equation.
80 + -80 + 1.8y = 80 + -80

Combine like terms: 80 + -80 = 0
0 + 1.8y = 80 + -80
1.8y = 80 + -80

Combine like terms: 80 + -80 = 0
1.8y = 0

Solving
1.8y = 0

Solving for variable 'y'.

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

Divide each side by '1.8'.
y = 0

Simplifying
y = 0

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