.12(y-9)+.16y=.20y-.07(10)

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Solution for .12(y-9)+.16y=.20y-.07(10) equation:


Simplifying
0.12(y + -9) + 0.16y = 0.20y + -0.07(10)

Reorder the terms:
0.12(-9 + y) + 0.16y = 0.20y + -0.07(10)
(-9 * 0.12 + y * 0.12) + 0.16y = 0.20y + -0.07(10)
(-1.08 + 0.12y) + 0.16y = 0.20y + -0.07(10)

Combine like terms: 0.12y + 0.16y = 0.28y
-1.08 + 0.28y = 0.20y + -0.07(10)

Multiply -0.07 * 10
-1.08 + 0.28y = 0.20y + -0.7

Reorder the terms:
-1.08 + 0.28y = -0.7 + 0.20y

Solving
-1.08 + 0.28y = -0.7 + 0.20y

Solving for variable 'y'.

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

Add '-0.20y' to each side of the equation.
-1.08 + 0.28y + -0.20y = -0.7 + 0.20y + -0.20y

Combine like terms: 0.28y + -0.20y = 0.08y
-1.08 + 0.08y = -0.7 + 0.20y + -0.20y

Combine like terms: 0.20y + -0.20y = 0.00
-1.08 + 0.08y = -0.7 + 0.00
-1.08 + 0.08y = -0.7

Add '1.08' to each side of the equation.
-1.08 + 1.08 + 0.08y = -0.7 + 1.08

Combine like terms: -1.08 + 1.08 = 0.00
0.00 + 0.08y = -0.7 + 1.08
0.08y = -0.7 + 1.08

Combine like terms: -0.7 + 1.08 = 0.38
0.08y = 0.38

Divide each side by '0.08'.
y = 4.75

Simplifying
y = 4.75

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