2x - y = -2 x - 2y = 53x + 2y = 10 5x - 2y = 63x + y = 3 2x + 4y = 225x - 2y = -19 3x + y = -7x - y = -3 x + y = -7y = -2x 3x - y = 10y = 2x - 9 y = x - 5y = x - 2 2x - 3y = -5 I II III IV
2 answers:
Answer:
I) 2x - y = -2x - 2y = 53x + 2y = 10 ---------------- (1)
II) 5x - 2y = 63x + y = 3 ------------------ (2)
III) 2x + 4y = 225x - 2y = -19 ----------- (3)
IV) 3x + y = -7x - y = -3x + y = -7y = -2x ------------ (4)
V) 3x - y = 10y = 2x - 9y = x - 5y = x - 2 ------------ (5)
VI) 2x - 3y = -5 ----------------- (6)
Step-by-step explanation:
Answer:
1st pair x=-7 and -9; 2nd pair x=2 and y=2; 3rd pair x=-1 and y=0; 4th pair x=-3 and y= 2; 5th x=-2 and y=-1; All others are not clearly written
Step-by-step explanation:
method for simultaneous equation are substitution, elimination or matrix methods
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