8x+5y 9 and 3x+2y =4 (substitution method)
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Answer:
8x+5y=9----(1)
3x+2y=4----(2)
x=9-5y÷8
putting x value in equation (2)
3(9-5y÷8)+2y=4
(27-15÷8)+2y=4
(27-15+16y÷8)=4
(27-15+16y)=32
16y=32+12
y=44÷16
y=11/4
put y value in
x=9-5y÷8
x=9-5×11/4÷8
x=-38
so x=-38 and y=11/4
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