.08(y-9)+.12y=.02y-.9

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Solution for .08(y-9)+.12y=.02y-.9 equation:


Simplifying
0.08(y + -9) + 0.12y = 0.02y + -0.9

Reorder the terms:
0.08(-9 + y) + 0.12y = 0.02y + -0.9
(-9 * 0.08 + y * 0.08) + 0.12y = 0.02y + -0.9
(-0.72 + 0.08y) + 0.12y = 0.02y + -0.9

Combine like terms: 0.08y + 0.12y = 0.2y
-0.72 + 0.2y = 0.02y + -0.9

Reorder the terms:
-0.72 + 0.2y = -0.9 + 0.02y

Solving
-0.72 + 0.2y = -0.9 + 0.02y

Solving for variable 'y'.

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

Add '-0.02y' to each side of the equation.
-0.72 + 0.2y + -0.02y = -0.9 + 0.02y + -0.02y

Combine like terms: 0.2y + -0.02y = 0.18y
-0.72 + 0.18y = -0.9 + 0.02y + -0.02y

Combine like terms: 0.02y + -0.02y = 0.00
-0.72 + 0.18y = -0.9 + 0.00
-0.72 + 0.18y = -0.9

Add '0.72' to each side of the equation.
-0.72 + 0.72 + 0.18y = -0.9 + 0.72

Combine like terms: -0.72 + 0.72 = 0.00
0.00 + 0.18y = -0.9 + 0.72
0.18y = -0.9 + 0.72

Combine like terms: -0.9 + 0.72 = -0.18
0.18y = -0.18

Divide each side by '0.18'.
y = -1

Simplifying
y = -1

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