3(2)-4=.4(y-5)

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Solution for 3(2)-4=.4(y-5) equation: 


Simplifying
3(2) + -4 = 0.4(y + -5)

Multiply 3 * 2
6 + -4 = 0.4(y + -5)

Combine like terms: 6 + -4 = 2
2 = 0.4(y + -5)

Reorder the terms:
2 = 0.4(-5 + y)
2 = (-5 * 0.4 + y * 0.4)
2 = (-2 + 0.4y)

Solving
2 = -2 + 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.
2 + -0.4y = -2 + 0.4y + -0.4y

Combine like terms: 0.4y + -0.4y = 0.0
2 + -0.4y = -2 + 0.0
2 + -0.4y = -2

Add '-2' to each side of the equation.
2 + -2 + -0.4y = -2 + -2

Combine like terms: 2 + -2 = 0
0 + -0.4y = -2 + -2
-0.4y = -2 + -2

Combine like terms: -2 + -2 = -4
-0.4y = -4

Divide each side by '-0.4'.
y = 10

Simplifying
y = 10

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