.12(y-5)+.10y=.02y-.09(20)

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Solution for .12(y-5)+.10y=.02y-.09(20) equation:


Simplifying
0.12(y + -5) + 0.10y = 0.02y + -0.09(20)

Reorder the terms:
0.12(-5 + y) + 0.10y = 0.02y + -0.09(20)
(-5 * 0.12 + y * 0.12) + 0.10y = 0.02y + -0.09(20)
(-0.6 + 0.12y) + 0.10y = 0.02y + -0.09(20)

Combine like terms: 0.12y + 0.10y = 0.22y
-0.6 + 0.22y = 0.02y + -0.09(20)

Multiply -0.09 * 20
-0.6 + 0.22y = 0.02y + -1.8

Reorder the terms:
-0.6 + 0.22y = -1.8 + 0.02y

Solving
-0.6 + 0.22y = -1.8 + 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.
-0.6 + 0.22y + -0.02y = -1.8 + 0.02y + -0.02y

Combine like terms: 0.22y + -0.02y = 0.2y
-0.6 + 0.2y = -1.8 + 0.02y + -0.02y

Combine like terms: 0.02y + -0.02y = 0.00
-0.6 + 0.2y = -1.8 + 0.00
-0.6 + 0.2y = -1.8

Add '0.6' to each side of the equation.
-0.6 + 0.6 + 0.2y = -1.8 + 0.6

Combine like terms: -0.6 + 0.6 = 0.0
0.0 + 0.2y = -1.8 + 0.6
0.2y = -1.8 + 0.6

Combine like terms: -1.8 + 0.6 = -1.2
0.2y = -1.2

Divide each side by '0.2'.
y = -6

Simplifying
y = -6

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