School X and school Y play each other in a competition

School X has eight more points than school Y
School X has three times as many points as school y
#How many points does each school have.

school  

y points (y)=4

x=12

Step-by-step explanation:

y+8=x

3y=x

use elimination method multiply first equation with minus it becomes

-y-8= -x

3y-y-8=x-x

2y-8=0

y=8/2

y=4

so

x=3(4)=12

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step-by-step explanation:

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step-by-step explanation:

first, eliminate the parenthesis:

3

x

+

2

−

4

x

second, group like terms:

3

x

−

4

x

+

2

third, combine like terms:

(

3

−

4

)

x

+

2

→

−

1

x

+

2

→

−

x

+

2