.8y+9=8(.6y-2)

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Solution for .8y+9=8(.6y-2) equation:


Simplifying
0.8y + 9 = 8(0.6y + -2)

Reorder the terms:
9 + 0.8y = 8(0.6y + -2)

Reorder the terms:
9 + 0.8y = 8(-2 + 0.6y)
9 + 0.8y = (-2 * 8 + 0.6y * 8)
9 + 0.8y = (-16 + 4.8y)

Solving
9 + 0.8y = -16 + 4.8y

Solving for variable 'y'.

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

Add '-4.8y' to each side of the equation.
9 + 0.8y + -4.8y = -16 + 4.8y + -4.8y

Combine like terms: 0.8y + -4.8y = -4y
9 + -4y = -16 + 4.8y + -4.8y

Combine like terms: 4.8y + -4.8y = 0.0
9 + -4y = -16 + 0.0
9 + -4y = -16

Add '-9' to each side of the equation.
9 + -9 + -4y = -16 + -9

Combine like terms: 9 + -9 = 0
0 + -4y = -16 + -9
-4y = -16 + -9

Combine like terms: -16 + -9 = -25
-4y = -25

Divide each side by '-4'.
y = 6.25

Simplifying
y = 6.25

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