0.18(y-9)+0.12y=0.14y-0.03(30)

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Solution for 0.18(y-9)+0.12y=0.14y-0.03(30) equation:


Simplifying
0.18(y + -9) + 0.12y = 0.14y + -0.03(30)

Reorder the terms:
0.18(-9 + y) + 0.12y = 0.14y + -0.03(30)
(-9 * 0.18 + y * 0.18) + 0.12y = 0.14y + -0.03(30)
(-1.62 + 0.18y) + 0.12y = 0.14y + -0.03(30)

Combine like terms: 0.18y + 0.12y = 0.3y
-1.62 + 0.3y = 0.14y + -0.03(30)

Multiply -0.03 * 30
-1.62 + 0.3y = 0.14y + -0.9

Reorder the terms:
-1.62 + 0.3y = -0.9 + 0.14y

Solving
-1.62 + 0.3y = -0.9 + 0.14y

Solving for variable 'y'.

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

Add '-0.14y' to each side of the equation.
-1.62 + 0.3y + -0.14y = -0.9 + 0.14y + -0.14y

Combine like terms: 0.3y + -0.14y = 0.16y
-1.62 + 0.16y = -0.9 + 0.14y + -0.14y

Combine like terms: 0.14y + -0.14y = 0.00
-1.62 + 0.16y = -0.9 + 0.00
-1.62 + 0.16y = -0.9

Add '1.62' to each side of the equation.
-1.62 + 1.62 + 0.16y = -0.9 + 1.62

Combine like terms: -1.62 + 1.62 = 0.00
0.00 + 0.16y = -0.9 + 1.62
0.16y = -0.9 + 1.62

Combine like terms: -0.9 + 1.62 = 0.72
0.16y = 0.72

Divide each side by '0.16'.
y = 4.5

Simplifying
y = 4.5

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