12-4(y+4)=2.8+2(2.8y+3)

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Solution for 12-4(y+4)=2.8+2(2.8y+3) equation:


Simplifying
12 + -4(y + 4) = 2.8 + 2(2.8y + 3)

Reorder the terms:
12 + -4(4 + y) = 2.8 + 2(2.8y + 3)
12 + (4 * -4 + y * -4) = 2.8 + 2(2.8y + 3)
12 + (-16 + -4y) = 2.8 + 2(2.8y + 3)

Combine like terms: 12 + -16 = -4
-4 + -4y = 2.8 + 2(2.8y + 3)

Reorder the terms:
-4 + -4y = 2.8 + 2(3 + 2.8y)
-4 + -4y = 2.8 + (3 * 2 + 2.8y * 2)
-4 + -4y = 2.8 + (6 + 5.6y)

Combine like terms: 2.8 + 6 = 8.8
-4 + -4y = 8.8 + 5.6y

Solving
-4 + -4y = 8.8 + 5.6y

Solving for variable 'y'.

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

Add '-5.6y' to each side of the equation.
-4 + -4y + -5.6y = 8.8 + 5.6y + -5.6y

Combine like terms: -4y + -5.6y = -9.6y
-4 + -9.6y = 8.8 + 5.6y + -5.6y

Combine like terms: 5.6y + -5.6y = 0.0
-4 + -9.6y = 8.8 + 0.0
-4 + -9.6y = 8.8

Add '4' to each side of the equation.
-4 + 4 + -9.6y = 8.8 + 4

Combine like terms: -4 + 4 = 0
0 + -9.6y = 8.8 + 4
-9.6y = 8.8 + 4

Combine like terms: 8.8 + 4 = 12.8
-9.6y = 12.8

Divide each side by '-9.6'.
y = -1.333333333

Simplifying
y = -1.333333333

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