book Maths Puzzle Numerical Ability

Describe a first step for solving each system using elimination. Then solve each system.

2x-y=6
-3x+4y=1

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book Other Question

how many liters of 12% salt solution must be added to 10 liters of 25% salt solution to get a 20% salt solution this is for quadratic formula and parabolas which could be the graph of the parabola a.y=x2=1,b.y=x2-1,c.y=-x2=1,d=-x2-1