0.4y+0.8(4)=0.5(5y+4)

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Solution for 0.4y+0.8(4)=0.5(5y+4) equation:


Simplifying
0.4y + 0.8(4) = 0.5(5y + 4)

Multiply 0.8 * 4
0.4y + 3.2 = 0.5(5y + 4)

Reorder the terms:
3.2 + 0.4y = 0.5(5y + 4)

Reorder the terms:
3.2 + 0.4y = 0.5(4 + 5y)
3.2 + 0.4y = (4 * 0.5 + 5y * 0.5)
3.2 + 0.4y = (2 + 2.5y)

Solving
3.2 + 0.4y = 2 + 2.5y

Solving for variable 'y'.

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

Add '-2.5y' to each side of the equation.
3.2 + 0.4y + -2.5y = 2 + 2.5y + -2.5y

Combine like terms: 0.4y + -2.5y = -2.1y
3.2 + -2.1y = 2 + 2.5y + -2.5y

Combine like terms: 2.5y + -2.5y = 0.0
3.2 + -2.1y = 2 + 0.0
3.2 + -2.1y = 2

Add '-3.2' to each side of the equation.
3.2 + -3.2 + -2.1y = 2 + -3.2

Combine like terms: 3.2 + -3.2 = 0.0
0.0 + -2.1y = 2 + -3.2
-2.1y = 2 + -3.2

Combine like terms: 2 + -3.2 = -1.2
-2.1y = -1.2

Divide each side by '-2.1'.
y = 0.5714285714

Simplifying
y = 0.5714285714

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