.75(20y-8)+5=.50y+.25(20y+8)

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Solution for .75(20y-8)+5=.50y+.25(20y+8) equation:


Simplifying
0.75(20y + -8) + 5 = 0.50y + 0.25(20y + 8)

Reorder the terms:
0.75(-8 + 20y) + 5 = 0.50y + 0.25(20y + 8)
(-8 * 0.75 + 20y * 0.75) + 5 = 0.50y + 0.25(20y + 8)
(-6 + 15y) + 5 = 0.50y + 0.25(20y + 8)

Reorder the terms:
-6 + 5 + 15y = 0.50y + 0.25(20y + 8)

Combine like terms: -6 + 5 = -1
-1 + 15y = 0.50y + 0.25(20y + 8)

Reorder the terms:
-1 + 15y = 0.50y + 0.25(8 + 20y)
-1 + 15y = 0.50y + (8 * 0.25 + 20y * 0.25)
-1 + 15y = 0.50y + (2 + 5y)

Reorder the terms:
-1 + 15y = 2 + 0.50y + 5y

Combine like terms: 0.50y + 5y = 5.5y
-1 + 15y = 2 + 5.5y

Solving
-1 + 15y = 2 + 5.5y

Solving for variable 'y'.

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

Add '-5.5y' to each side of the equation.
-1 + 15y + -5.5y = 2 + 5.5y + -5.5y

Combine like terms: 15y + -5.5y = 9.5y
-1 + 9.5y = 2 + 5.5y + -5.5y

Combine like terms: 5.5y + -5.5y = 0.0
-1 + 9.5y = 2 + 0.0
-1 + 9.5y = 2

Add '1' to each side of the equation.
-1 + 1 + 9.5y = 2 + 1

Combine like terms: -1 + 1 = 0
0 + 9.5y = 2 + 1
9.5y = 2 + 1

Combine like terms: 2 + 1 = 3
9.5y = 3

Divide each side by '9.5'.
y = 0.3157894737

Simplifying
y = 0.3157894737

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