exam Maths Puzzle Numerical Ability

2x-y=5
3x+y=5
find the point of intersection for the lines below by graping

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exam Other Question

Completely factor the polynomial 2z^3+14z^2-60z the sum of the digits of a three-digit number is 15. if the tens digits and the hundreds digit are interchanged. the number is increased by 360. if the units digits is 1/4 of the s