3. Solve the following simultaneous equations graphically
(1) 2x + 3y = 12 ; x - y = 1
Answers
Answered by
23
firstly, we have to find the values of x and y algebraically and then we have to draw them graphically.
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Answered by
5
Answer:
X=11
Y=2
Step-by-step explanation:
subsitued equestion1, so it will be like
x=12-3y/2 eq3. Now subsituted eq 3 with
eq2 so, 12-3y/2-y=1.
.: 12-3y-2y/2=1
= 12-5y=2
= -5y= -10
.: y=2
.: x=12-3y/2
= x= 12-3(2)/2
= x= 12-3
.: x = 11
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