book Maths Puzzle Numerical Ability

The equation C=5(F-32)/9 gives the relation between Fahrenheit and Celsius temperatures. Find the temperature at which the reading is the same on both thermometers.

Read Solution (Total 0)

book Other Question

It has been many years since I have had algebra. Please point me in the right direction with this system of linear equation...

x + 2y - 7z = -1
3x + 7y - 24z = 6
x + 4y - 12z = 26

Thank you from Montgomery, AL i need help with absolute numbers.
[3x+2]+4=9