simultaneous linear equations 1. x+y = 14 x-y = 4
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Answer:
x = 9, y = 5
Step-by-step explanation:
x-y = 4
=> -y = -x+4
=> y = x-4
Since, x+y = 14
=> x+(x-4) = 14
=> 2x-4 = 14
=> 2x = 14+4
=> 2x = 18
=> x = 18÷2
=> x = 9
Therefore, x = 9 and y = x-4
= 9-4
= 5
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