3x+2y=7;2x+y=4 solve in substitution way
Answers
Answered by
1
Answer:
X=1 and y=2
Step-by-step explanation:
by elimination method multiply eq-2 with 2
and subtract eq-2 from 1.
then u get X value
substitute X in eq-1 u get y.
Answered by
1
Answer:
3x+2y=7-eq1
2x+y=4-eq2
so from eq2
y=4-2x
put the value of y in eq 1
3x+2(4-2x)=7
3x+8-4x=7
-x=7-8
-x=-1
x=1
and y=2 by y=4-2x
Similar questions