8x + 5y = 9
3x + 2y = 4
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Answer:
x=-2 and y=5
Step-by-step explanation:
By substitution method
8x+5y=9 -----1
3x+2y=4 -----2
=>x=4-2y/3 -----3
Substituting x=4-2y/3 in equation 1
=> 8(4-2y)/3 +5y=9
=> 32-16y/3 +5y=9
=> 32-16y+15y/3=9
=> 32-y/3=9
=> 32-y=27
=> -y=27-32
=> -y=-5
=> y=5
Substituting y=5 in equation 2
3x+2(5)=4
=> 3x+10=4
=> x=-6/3
=> x= -2
Therefore, x=-2 and y=5
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