0.5(3y-4)+0.3y=0.2(15-y)

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Solution for 0.5(3y-4)+0.3y=0.2(15-y) equation:


Simplifying
0.5(3y + -4) + 0.3y = 0.2(15 + -1y)

Reorder the terms:
0.5(-4 + 3y) + 0.3y = 0.2(15 + -1y)
(-4 * 0.5 + 3y * 0.5) + 0.3y = 0.2(15 + -1y)
(-2 + 1.5y) + 0.3y = 0.2(15 + -1y)

Combine like terms: 1.5y + 0.3y = 1.8y
-2 + 1.8y = 0.2(15 + -1y)
-2 + 1.8y = (15 * 0.2 + -1y * 0.2)
-2 + 1.8y = (3 + -0.2y)

Solving
-2 + 1.8y = 3 + -0.2y

Solving for variable 'y'.

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

Add '0.2y' to each side of the equation.
-2 + 1.8y + 0.2y = 3 + -0.2y + 0.2y

Combine like terms: 1.8y + 0.2y = 2y
-2 + 2y = 3 + -0.2y + 0.2y

Combine like terms: -0.2y + 0.2y = 0.0
-2 + 2y = 3 + 0.0
-2 + 2y = 3

Add '2' to each side of the equation.
-2 + 2 + 2y = 3 + 2

Combine like terms: -2 + 2 = 0
0 + 2y = 3 + 2
2y = 3 + 2

Combine like terms: 3 + 2 = 5
2y = 5

Divide each side by '2'.
y = 2.5

Simplifying
y = 2.5

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