exam
Maths Puzzle
Numerical Ability
find the x-intercept and the y-intercept of the graph of the equation
y-2x=3
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exam Other Question
how many kilograms of a 30% acid solution must be added to 80kg of a 20% solution to produce a 28% solution?
Solve the system by the elimination method
5x+3y=-7
7x-2y=19