Solve by using addition method {(5x=4y-8,,,,),(3x+7y=14,,,,):}

makeupwn

makeupwn

Answered question

2022-08-06

Solve by using addition method { 5 x = 4 y 8 3 x + 7 y = 14

Answer & Explanation

cydostwng6c

cydostwng6c

Beginner2022-08-07Added 13 answers

Step 1
We have,
5 x = 4 y 8
5 x = 4 y = 8... ( 1 )
and, 3 x + 7 y = 14... ( 2 )
Step 2
By 7x(1) and 4x(2) i we get,
35 x 28 y = 56
12 x + 28 y = 56
47 x + 0 = 0
47 x = 0 x = 0
Step 3
So, by (1); we have,
5 x 4 y = 8
4 y = 8 y = 2
Required solution is
x = 0 , y = 2

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