2x-7y=7;3x+y=22 solve simultaneous equation by substitute method and write solution for the equation
Answers
Answered by
9
Answer:
HERE U GO BUDDY
Step-by-step explanation:
2x - 7y = 7 -------(1)
3x + y = 22
=> 21x + 7y = 154 -------(2)
On adding equation 1 and 2, we get
23x = 161
=> x = 7
Now,
On substituting the value of x in equation 1, we get
2(7) - 7y = 7
=> 14 - 7y = 7
=> 7 = 7 y
=> y = 1
hope it helps u : )
please mark as the brain list answer
Similar questions