exam
Maths Puzzle
Numerical Ability
help with this problem please...
0.4z-0.15=0.65-0.3(6-2z)
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exam Other Question
3x^2/2=-45
solve the system of equations:
4x-3y=8
2x+5y=-9
a.(-2,1)
b.(2,0)
c.(0,-83)
d.(1/2,-2)