0.18(y-4)+0.20y=0.12y-0.07(40)

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Solution for 0.18(y-4)+0.20y=0.12y-0.07(40) equation:


Simplifying
0.18(y + -4) + 0.20y = 0.12y + -0.07(40)

Reorder the terms:
0.18(-4 + y) + 0.20y = 0.12y + -0.07(40)
(-4 * 0.18 + y * 0.18) + 0.20y = 0.12y + -0.07(40)
(-0.72 + 0.18y) + 0.20y = 0.12y + -0.07(40)

Combine like terms: 0.18y + 0.20y = 0.38y
-0.72 + 0.38y = 0.12y + -0.07(40)

Multiply -0.07 * 40
-0.72 + 0.38y = 0.12y + -2.8

Reorder the terms:
-0.72 + 0.38y = -2.8 + 0.12y

Solving
-0.72 + 0.38y = -2.8 + 0.12y

Solving for variable 'y'.

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

Add '-0.12y' to each side of the equation.
-0.72 + 0.38y + -0.12y = -2.8 + 0.12y + -0.12y

Combine like terms: 0.38y + -0.12y = 0.26y
-0.72 + 0.26y = -2.8 + 0.12y + -0.12y

Combine like terms: 0.12y + -0.12y = 0.00
-0.72 + 0.26y = -2.8 + 0.00
-0.72 + 0.26y = -2.8

Add '0.72' to each side of the equation.
-0.72 + 0.72 + 0.26y = -2.8 + 0.72

Combine like terms: -0.72 + 0.72 = 0.00
0.00 + 0.26y = -2.8 + 0.72
0.26y = -2.8 + 0.72

Combine like terms: -2.8 + 0.72 = -2.08
0.26y = -2.08

Divide each side by '0.26'.
y = -8

Simplifying
y = -8

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