y+20+2y=-10-2y-15

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Solution for y+20+2y=-10-2y-15 equation: 


Simplifying
y + 20 + 2y = -10 + -2y + -15

Reorder the terms:
20 + y + 2y = -10 + -2y + -15

Combine like terms: y + 2y = 3y
20 + 3y = -10 + -2y + -15

Reorder the terms:
20 + 3y = -10 + -15 + -2y

Combine like terms: -10 + -15 = -25
20 + 3y = -25 + -2y

Solving
20 + 3y = -25 + -2y

Solving for variable 'y'.

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

Add '2y' to each side of the equation.
20 + 3y + 2y = -25 + -2y + 2y

Combine like terms: 3y + 2y = 5y
20 + 5y = -25 + -2y + 2y

Combine like terms: -2y + 2y = 0
20 + 5y = -25 + 0
20 + 5y = -25

Add '-20' to each side of the equation.
20 + -20 + 5y = -25 + -20

Combine like terms: 20 + -20 = 0
0 + 5y = -25 + -20
5y = -25 + -20

Combine like terms: -25 + -20 = -45
5y = -45

Divide each side by '5'.
y = -9

Simplifying
y = -9

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