0.12(y-9)+0.08y=0.16y-0.07(20)

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Solution for 0.12(y-9)+0.08y=0.16y-0.07(20) equation:


Simplifying
0.12(y + -9) + 0.08y = 0.16y + -0.07(20)

Reorder the terms:
0.12(-9 + y) + 0.08y = 0.16y + -0.07(20)
(-9 * 0.12 + y * 0.12) + 0.08y = 0.16y + -0.07(20)
(-1.08 + 0.12y) + 0.08y = 0.16y + -0.07(20)

Combine like terms: 0.12y + 0.08y = 0.2y
-1.08 + 0.2y = 0.16y + -0.07(20)

Multiply -0.07 * 20
-1.08 + 0.2y = 0.16y + -1.4

Reorder the terms:
-1.08 + 0.2y = -1.4 + 0.16y

Solving
-1.08 + 0.2y = -1.4 + 0.16y

Solving for variable 'y'.

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

Add '-0.16y' to each side of the equation.
-1.08 + 0.2y + -0.16y = -1.4 + 0.16y + -0.16y

Combine like terms: 0.2y + -0.16y = 0.04y
-1.08 + 0.04y = -1.4 + 0.16y + -0.16y

Combine like terms: 0.16y + -0.16y = 0.00
-1.08 + 0.04y = -1.4 + 0.00
-1.08 + 0.04y = -1.4

Add '1.08' to each side of the equation.
-1.08 + 1.08 + 0.04y = -1.4 + 1.08

Combine like terms: -1.08 + 1.08 = 0.00
0.00 + 0.04y = -1.4 + 1.08
0.04y = -1.4 + 1.08

Combine like terms: -1.4 + 1.08 = -0.32
0.04y = -0.32

Divide each side by '0.04'.
y = -8

Simplifying
y = -8

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