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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