.12(y-8)+.08y=.10y-.07(20)

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Solution for .12(y-8)+.08y=.10y-.07(20) equation:


Simplifying
0.12(y + -8) + 0.08y = 0.10y + -0.07(20)

Reorder the terms:
0.12(-8 + y) + 0.08y = 0.10y + -0.07(20)
(-8 * 0.12 + y * 0.12) + 0.08y = 0.10y + -0.07(20)
(-0.96 + 0.12y) + 0.08y = 0.10y + -0.07(20)

Combine like terms: 0.12y + 0.08y = 0.2y
-0.96 + 0.2y = 0.10y + -0.07(20)

Multiply -0.07 * 20
-0.96 + 0.2y = 0.10y + -1.4

Reorder the terms:
-0.96 + 0.2y = -1.4 + 0.10y

Solving
-0.96 + 0.2y = -1.4 + 0.10y

Solving for variable 'y'.

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

Add '-0.10y' to each side of the equation.
-0.96 + 0.2y + -0.10y = -1.4 + 0.10y + -0.10y

Combine like terms: 0.2y + -0.10y = 0.1y
-0.96 + 0.1y = -1.4 + 0.10y + -0.10y

Combine like terms: 0.10y + -0.10y = 0.00
-0.96 + 0.1y = -1.4 + 0.00
-0.96 + 0.1y = -1.4

Add '0.96' to each side of the equation.
-0.96 + 0.96 + 0.1y = -1.4 + 0.96

Combine like terms: -0.96 + 0.96 = 0.00
0.00 + 0.1y = -1.4 + 0.96
0.1y = -1.4 + 0.96

Combine like terms: -1.4 + 0.96 = -0.44
0.1y = -0.44

Divide each side by '0.1'.
y = -4.4

Simplifying
y = -4.4

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