.40(15y+10)-2(4y+4)=0

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Solution for .40(15y+10)-2(4y+4)=0 equation:


Simplifying
0.40(15y + 10) + -2(4y + 4) = 0

Reorder the terms:
0.40(10 + 15y) + -2(4y + 4) = 0
(10 * 0.40 + 15y * 0.40) + -2(4y + 4) = 0
(4 + 6y) + -2(4y + 4) = 0

Reorder the terms:
4 + 6y + -2(4 + 4y) = 0
4 + 6y + (4 * -2 + 4y * -2) = 0
4 + 6y + (-8 + -8y) = 0

Reorder the terms:
4 + -8 + 6y + -8y = 0

Combine like terms: 4 + -8 = -4
-4 + 6y + -8y = 0

Combine like terms: 6y + -8y = -2y
-4 + -2y = 0

Solving
-4 + -2y = 0

Solving for variable 'y'.

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

Add '4' to each side of the equation.
-4 + 4 + -2y = 0 + 4

Combine like terms: -4 + 4 = 0
0 + -2y = 0 + 4
-2y = 0 + 4

Combine like terms: 0 + 4 = 4
-2y = 4

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

Simplifying
y = -2

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