3.3=1.5-.4y

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Solution for 3.3=1.5-.4y equation: 


Simplifying
3.3 = 1.5 + -0.4y

Solving
3.3 = 1.5 + -0.4y

Solving for variable 'y'.

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

Add '0.4y' to each side of the equation.
3.3 + 0.4y = 1.5 + -0.4y + 0.4y

Combine like terms: -0.4y + 0.4y = 0.0
3.3 + 0.4y = 1.5 + 0.0
3.3 + 0.4y = 1.5

Add '-3.3' to each side of the equation.
3.3 + -3.3 + 0.4y = 1.5 + -3.3

Combine like terms: 3.3 + -3.3 = 0.0
0.0 + 0.4y = 1.5 + -3.3
0.4y = 1.5 + -3.3

Combine like terms: 1.5 + -3.3 = -1.8
0.4y = -1.8

Divide each side by '0.4'.
y = -4.5

Simplifying
y = -4.5

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