Question

Q1.
Solve for X & Y :
a) 3(x+3y) =11xy
3(2x+y) =7xy
b) ax/b - by/a = a+b
ax-by = 2ab
c) b3x/a-a’y/b = ab(a+b); bºx-a'y = 2a²b?
d) mx - ny = m² +n?
x + 2y = 2m
e) a?/x-b/y = 0
a’b/x + b^a/y = a +b
f) 0.4x + 3y = 1.2
7x-2y = 17/6
g) 10/x+y + 2/x - y = 4
15/x+ y-5/x-y = -2
h) a(x+y)+ b(x-y) = a* -ab + b?
;a(x+y) - b(x-y) = a +ab+b?
i) 1/7x + 1/6y = 3
1/2 - 1/3y = 5
j) 47x + 31y = 63
31x +47y = 15
k) V7x+ V11y = 0
V3x - V5y = 0
1) x(a-b + ab/a-b) = y(a+b - ab/a+b) x+y=2a​

Answer 1

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