exam
Maths Puzzle
Numerical Ability
log base 9 x+3 log base 3 x =14
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exam Other Question
Solve the pairs of equations using the substitution method:
problem#6. x=1-y
y=x-9
problem#7. 2x-y=0
3x-2y=-3
solve the system of equations:
4x-3y=8
2x+5y=-9
a.(-2,1)
b.(2,0)
c.(0,-83)
d.(1/2,-2)