Question

-2x+5y=40
3x-2y= -5
Solve by using guassion elimination method

Answer 1

solve simultaneously

Explanation:

make one of the equations x subject of the formula and the other equation y subject of the formula

y=8+2/5x....1

x=-5/3 + 2/3y.....2

substitute equation 1 into equation 2

x=5

y=10