3(-y-3)-2y=20

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Solution for 3(-y-3)-2y=20 equation:


Simplifying
3(-1y + -3) + -2y = 20

Reorder the terms:
3(-3 + -1y) + -2y = 20
(-3 * 3 + -1y * 3) + -2y = 20
(-9 + -3y) + -2y = 20

Combine like terms: -3y + -2y = -5y
-9 + -5y = 20

Solving
-9 + -5y = 20

Solving for variable 'y'.

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

Add '9' to each side of the equation.
-9 + 9 + -5y = 20 + 9

Combine like terms: -9 + 9 = 0
0 + -5y = 20 + 9
-5y = 20 + 9

Combine like terms: 20 + 9 = 29
-5y = 29

Divide each side by '-5'.
y = -5.8

Simplifying
y = -5.8

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