.18(y-9)+.04y=.02y-.05(40)

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Solution for .18(y-9)+.04y=.02y-.05(40) equation:


Simplifying
0.18(y + -9) + 0.04y = 0.02y + -0.05(40)

Reorder the terms:
0.18(-9 + y) + 0.04y = 0.02y + -0.05(40)
(-9 * 0.18 + y * 0.18) + 0.04y = 0.02y + -0.05(40)
(-1.62 + 0.18y) + 0.04y = 0.02y + -0.05(40)

Combine like terms: 0.18y + 0.04y = 0.22y
-1.62 + 0.22y = 0.02y + -0.05(40)

Multiply -0.05 * 40
-1.62 + 0.22y = 0.02y + -2

Reorder the terms:
-1.62 + 0.22y = -2 + 0.02y

Solving
-1.62 + 0.22y = -2 + 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.
-1.62 + 0.22y + -0.02y = -2 + 0.02y + -0.02y

Combine like terms: 0.22y + -0.02y = 0.2y
-1.62 + 0.2y = -2 + 0.02y + -0.02y

Combine like terms: 0.02y + -0.02y = 0.00
-1.62 + 0.2y = -2 + 0.00
-1.62 + 0.2y = -2

Add '1.62' to each side of the equation.
-1.62 + 1.62 + 0.2y = -2 + 1.62

Combine like terms: -1.62 + 1.62 = 0.00
0.00 + 0.2y = -2 + 1.62
0.2y = -2 + 1.62

Combine like terms: -2 + 1.62 = -0.38
0.2y = -0.38

Divide each side by '0.2'.
y = -1.9

Simplifying
y = -1.9

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