3(1.8+-0.4y)-y=8

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Solution for 3(1.8+-0.4y)-y=8 equation:


Simplifying
3(1.8 + -0.4y) + -1y = 8
(1.8 * 3 + -0.4y * 3) + -1y = 8
(5.4 + -1.2y) + -1y = 8

Combine like terms: -1.2y + -1y = -2.2y
5.4 + -2.2y = 8

Solving
5.4 + -2.2y = 8

Solving for variable 'y'.

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

Add '-5.4' to each side of the equation.
5.4 + -5.4 + -2.2y = 8 + -5.4

Combine like terms: 5.4 + -5.4 = 0.0
0.0 + -2.2y = 8 + -5.4
-2.2y = 8 + -5.4

Combine like terms: 8 + -5.4 = 2.6
-2.2y = 2.6

Divide each side by '-2.2'.
y = -1.181818182

Simplifying
y = -1.181818182

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