solve the following set of simultaneous equations:

(x/5) + (2y/ XXXXXXXXXX/15) = 0

(3x/7) - (y/2) = -(5/7)

Using:

a) Substituation

b)Elimination

Question

solve the following set of simultaneous equations:(x/5) + (2y/ XXXXXXXXXX/15) = 0(3x/7) - (y/2) = -(5/7)Using:a) Substituationb)Elimination

David · Accepted Answer

Solution 
Solution  
 
Question: - Solve the following set of simultaneous equations: 
 
(x/5) + (2y/3) - (49/15) = 0
(3x/7) - (y/2) = -(5/7)
Using:
a) Substitution
b)Elimination.
Solution:-  
a) By Substitution:-  
Given equations are as follows:- 
 
(x/5) + (2y/3) - (49/15) = 0 ------------------------------equation no.1 
(3x/7) - (y/2) = - (5/7) ------------------------------equation no.2
Equation 1 can be written as:-
(x/5) + (2y/3) = (49/15)
Now let us find the value of x from above equation,
Subtract (2y/3) from both sides,
Therefore,

solve the following set of simultaneous equations: (x/5) + (2y/ XXXXXXXXXX/15) = 0 (3x/7) - (y/2) = -(5/7) Using: a) Substituation b)Elimination

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