exam Maths Puzzle Numerical Ability

Use the Gauss-Jordan method to solve each system of equations.
3x-6y+3z=11
2x+y-z=2
5x-5y+2z=6

Read Solution (Total 0)

exam Other Question

Jan invested 1200 dollars to a certain simple intrest rate and 2200 dollars at a rate of 3 percent higher. Her annual earning was 253 dollars. Find the two intrest rates if she earned 121 dollars more on the higher than on the smaller. f1(x) =1/2x + 5