exam Maths Puzzle Numerical Ability

Solve
2 -1 + (3)-1 2
3 4 1 0

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exam Other Question

Please solve the equation. 22+4y-14=0 1) write log7 49=2 in exponential form.

2) use the change of base formula( property 10.9) to solve for x; x=log3 90

3) solve for x: 9/(4x)+1/3=5/(2x); (x^-1=4/3)