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Algebra Level 1

2 x + y = 22 2x + y = 22

If x = 6 x = 6 , then what does y y equal?


The answer is 10.

Rhea Kavuru by Rhea Kavuru , 14, USA

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5 solutions

James Watson
Aug 1, 2020

By plugging 6 6 into the equation instead of x x , we see that 2 ( 6 ) + y = 22 ⟹ 12 + y = 22 ⟹ y = 10 2(6)+y=22 \Longrightarrow 12+y=22 \Longrightarrow \boxed{y=10}

2 Helpful 0 Interesting 2 Brilliant 0 Confused
Mahdi Raza
Aug 21, 2020

\[\begin{align}2x+y &= 22 \\ y &= 22 - 2(6) \\ y&= \boxed{10}

\end{align}\]

1 Helpful 0 Interesting 1 Brilliant 0 Confused

Wow! 4% got it wrong(maybe deliberately) :)

Vinayak Srivastava - 9 months, 1 week ago

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Haha, probably, just to rebel

Mahdi Raza - 9 months, 1 week ago
Marvin Kalngan
Aug 7, 2020

2 x + y = 22 2x+y=22

2 ( 6 ) + y = 22 2(6)+y=22

12 + y = 22 12+y=22

y = 22 − 12 y=22-12

y = 10 \boxed{y=10}

1 Helpful 0 Interesting 1 Brilliant 0 Confused

2(6)+y=22 12+y=22 y=22-12 Y=10

1 Helpful 0 Interesting 1 Brilliant 0 Confused

P.S. We could’ve done this back in kindergarten 😜

Shuban Shenbaga kumar - 10 months, 1 week ago

2 times of 6 is 12 and 22-12 = 10

0 Helpful 0 Interesting 0 Brilliant 0 Confused

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