3y-0.4(5-2y)=5.6

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Solution for 3y-0.4(5-2y)=5.6 equation:


Simplifying
3y + -0.4(5 + -2y) = 5.6
3y + (5 * -0.4 + -2y * -0.4) = 5.6
3y + (-2 + 0.8y) = 5.6

Reorder the terms:
-2 + 3y + 0.8y = 5.6

Combine like terms: 3y + 0.8y = 3.8y
-2 + 3.8y = 5.6

Solving
-2 + 3.8y = 5.6

Solving for variable 'y'.

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

Add '2' to each side of the equation.
-2 + 2 + 3.8y = 5.6 + 2

Combine like terms: -2 + 2 = 0
0 + 3.8y = 5.6 + 2
3.8y = 5.6 + 2

Combine like terms: 5.6 + 2 = 7.6
3.8y = 7.6

Divide each side by '3.8'.
y = 2

Simplifying
y = 2

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