exam
Maths Puzzle
Numerical Ability
Solve the folling 2 x 2 systems using substitutions
y= 3x + 12
y= -x +4
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exam Other Question
3r-4s=0 and 2r+5s=23
Solving 6x^2+3x-18=0,using quadratic formula. would that be ax^+bx+c=0.