exam Maths Puzzle Numerical Ability

the orderd pair (-2,1) is a solution to the following system:
2x+5y=1
3x-2y=4

Read Solution (Total 0)

exam Other Question

A person on top of a cliff looking over a straight flat highway notices two consecutive mile markers. The angles of depression of the two markers are 85 degrees and 10 degrees res solve and check the linear equation 6x-7+3(x+1)=4x-6