exam Maths Puzzle Numerical Ability

Can you help me solve:

3b-a=-7
5a+6b=14

Read Solution (Total 0)

exam Other Question

Solve and graph the solution set of each of the following inequalities.
3x > 2x - 4
- The temperature F, in degrees Fahrenheit, that corresponds to a temperature C, in degrees Celsius, is given by F = (9/5)C + 32. If you graph this equation for 0 � C � 100, you wil