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Solve the equation: 3y + 20 = 3 + 2y

Sagot :

3y + 20 = 3 + 2y

1y + 20 = 3

y = -17

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Answer:

[tex]y=-17[/tex]

Step-by-step explanation:

[tex]3y+20=3+2y[/tex]

Start by subtracting 20 from each side...

[tex]3y+20-20=3+2y-20\\3y=2y-17[/tex]

Now, subtract "2y" from each side...

[tex]3y-2y=2y-2y-17\\y=-17[/tex]

Next, let's substitute -17 for y in the original equation to check our answer...

[tex]3(-17)+20=3+2(-17)\\-51+20=3+(-34)\\-31=3-34\\-31=-31\rightarrow Correct![/tex]

Therefore the answer is:

[tex]y=-17[/tex]

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