Question

Find the value of x in the linear equation 3x - 7y = -13 if y = 4​

Answer 1

Answer:

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Step-by-step explanation:

given, y=4

put this value in equation 3x-7y=-13

to get 3x-28=-13

3x=15

x=5 Ans

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Answer 2

Question:Find the value of x in the linear equation 3x - 7y = -13 if y = 4​

Solution:

Let's substitute y in 1st equation given.

3x-7(4)=-13

3x-28=-13

3x=-13+28

3x=15

x=15/3

x=5

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