Question

Write solution for the given equation 2x-y=12 if the value of x =4​

Answer 1

Answer:

- 4

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Step-by-step explanation:

2(4) - y = 12

8 - y = 12

y = 8-12

y = - 4

Answer 2

Answer:

2x+y=7

Put, x=2

2(2)+y=7

4+y=7

y=−4+7

∴y=3.