Question

x-2y=-5, x+y=16
solve simultaneously​

Answer 1

Answer:

X is 9 and y is 7 .

Step-by-step explanation:

X - 2y = 5

= x = - 5 + 2y (FIRST ONE)

x + y = 16

- 5 + 2y + y = 16

3 y = 21

y = 7 .

So now y is 7

Hence x's value is

x + y = 16

x + 7 = 16

So x = 9

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