Answer:
the correct answer is
lets say the number xy (x in tens place and y in units place)
first equation (x+y =10 i.e x=10-y
also 3x-2y=15 i.e 2y=3x-15)
second equation
substitution the value of x from first equation in second equation (or you can do vice- versa)gives you 2y=3(10-y)-15 and so,
2y=30-3y-15 i.e5y=15 and y=3
since x=10-y; x=10-3 which is 7
the answer is 73.
Step-by-step explanation:
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