exam Maths Puzzle Numerical Ability

Please solve: -square root 78

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exam Other Question

Find two consecutive positive integers such that the sum of their squares is 85.

Thank you! Please i need help with this equations:
1. 2x-7(x-2)=3(x-4)
2. 7x-2=3x-6
3. 12+2(x-9)=3(x-2)
4. 4x-6=8-3
5. 2x-(3x+4)=2(x-5)
6. 1/5x-2=2/5 x+4 (note: one over five and two ov