Question

22. Solve the following pair of linear equations by elimination method
x+y = 7, x-y=3
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Answer 1

Step-by-step explanation:

x+y=7... (1)

x-y=3... (2)

add both

2x=10

x=5

x+y=7

5+y=7

y=2

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20

Answer 2

Answer:

Elimination methods;

x=7-y

putting value on second equation.

7-y+y=3

2y=3-7

-2y=-4

y=-4/-2

y=2

putting value on 1st equation;

x=7-2

x=5

so.,

value of xand y

y=2

x=5anwers

Step-by-step explanation:

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