1.8(5-2y)=.9y

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Solution for 1.8(5-2y)=.9y equation:


Simplifying
1.8(5 + -2y) = 0.9y
(5 * 1.8 + -2y * 1.8) = 0.9y
(9 + -3.6y) = 0.9y

Solving
9 + -3.6y = 0.9y

Solving for variable 'y'.

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

Add '-0.9y' to each side of the equation.
9 + -3.6y + -0.9y = 0.9y + -0.9y

Combine like terms: -3.6y + -0.9y = -4.5y
9 + -4.5y = 0.9y + -0.9y

Combine like terms: 0.9y + -0.9y = 0.0
9 + -4.5y = 0.0

Add '-9' to each side of the equation.
9 + -9 + -4.5y = 0.0 + -9

Combine like terms: 9 + -9 = 0
0 + -4.5y = 0.0 + -9
-4.5y = 0.0 + -9

Combine like terms: 0.0 + -9 = -9
-4.5y = -9

Divide each side by '-4.5'.
y = 2

Simplifying
y = 2

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