15(y-4)-2(y-9)+5(y+6)=0

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Solution for 15(y-4)-2(y-9)+5(y+6)=0 equation:


Simplifying
15(y + -4) + -2(y + -9) + 5(y + 6) = 0

Reorder the terms:
15(-4 + y) + -2(y + -9) + 5(y + 6) = 0
(-4 * 15 + y * 15) + -2(y + -9) + 5(y + 6) = 0
(-60 + 15y) + -2(y + -9) + 5(y + 6) = 0

Reorder the terms:
-60 + 15y + -2(-9 + y) + 5(y + 6) = 0
-60 + 15y + (-9 * -2 + y * -2) + 5(y + 6) = 0
-60 + 15y + (18 + -2y) + 5(y + 6) = 0

Reorder the terms:
-60 + 15y + 18 + -2y + 5(6 + y) = 0
-60 + 15y + 18 + -2y + (6 * 5 + y * 5) = 0
-60 + 15y + 18 + -2y + (30 + 5y) = 0

Reorder the terms:
-60 + 18 + 30 + 15y + -2y + 5y = 0

Combine like terms: -60 + 18 = -42
-42 + 30 + 15y + -2y + 5y = 0

Combine like terms: -42 + 30 = -12
-12 + 15y + -2y + 5y = 0

Combine like terms: 15y + -2y = 13y
-12 + 13y + 5y = 0

Combine like terms: 13y + 5y = 18y
-12 + 18y = 0

Solving
-12 + 18y = 0

Solving for variable 'y'.

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

Add '12' to each side of the equation.
-12 + 12 + 18y = 0 + 12

Combine like terms: -12 + 12 = 0
0 + 18y = 0 + 12
18y = 0 + 12

Combine like terms: 0 + 12 = 12
18y = 12

Divide each side by '18'.
y = 0.6666666667

Simplifying
y = 0.6666666667

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