.12(y-9)+.06y=.16y-.03(40)

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Solution for .12(y-9)+.06y=.16y-.03(40) equation:


Simplifying
0.12(y + -9) + 0.06y = 0.16y + -0.03(40)

Reorder the terms:
0.12(-9 + y) + 0.06y = 0.16y + -0.03(40)
(-9 * 0.12 + y * 0.12) + 0.06y = 0.16y + -0.03(40)
(-1.08 + 0.12y) + 0.06y = 0.16y + -0.03(40)

Combine like terms: 0.12y + 0.06y = 0.18y
-1.08 + 0.18y = 0.16y + -0.03(40)

Multiply -0.03 * 40
-1.08 + 0.18y = 0.16y + -1.2

Reorder the terms:
-1.08 + 0.18y = -1.2 + 0.16y

Solving
-1.08 + 0.18y = -1.2 + 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 + 0.18y + -0.16y = -1.2 + 0.16y + -0.16y

Combine like terms: 0.18y + -0.16y = 0.02y
-1.08 + 0.02y = -1.2 + 0.16y + -0.16y

Combine like terms: 0.16y + -0.16y = 0.00
-1.08 + 0.02y = -1.2 + 0.00
-1.08 + 0.02y = -1.2

Add '1.08' to each side of the equation.
-1.08 + 1.08 + 0.02y = -1.2 + 1.08

Combine like terms: -1.08 + 1.08 = 0.00
0.00 + 0.02y = -1.2 + 1.08
0.02y = -1.2 + 1.08

Combine like terms: -1.2 + 1.08 = -0.12
0.02y = -0.12

Divide each side by '0.02'.
y = -6

Simplifying
y = -6

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