slove for x and y 3x+4y=10,2x-2y=2
Answers
Answered by
1
Answer:
which class bro told me
Answered by
1
Answer:
x = 2 and y= 1
Step-by-step explanation:
3x + 4y = 10................. 1
2x - 2y = 2....,...............2
from equation 1 and 2
1 (3x + 4y = 10) = 3x + 4y = 10.......3
2(2x - 2y = 2). =. 4x - 4y = 4..........4
from equation 3 and 4 on adding
cancel out 4y we get
3x + 4x = 10+4
7x = 14
x= 2
putting x =2 in eqn 3
then y= 1
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