## [answered] 1. Solve the system: 2x + y = 5 x - y = 13 2. Bobby is thre

1. Solve the system: 2x + y = 5
?????????????????????????????? x ? y = 13

2. Bobby is three years older than twice Arianna?s age. If the total of their ages is 9, how old is Bobby, and how old is Arianna?

3. Solve the system: y = x2?+ 5
????????????????????????????? 6x ? y = 3

Q1)

2x + y = 5

X ? y = 13

Solving the simultaneous equation by elimination method 1(2x + y = 5)

2(X ? y = 13)

Opening the bracket

2x + y = 5

2x ? 2y = 26

Finding the differences

3y = -21

Y =...

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This question was answered on: Sep 18, 2020

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