Question

draw the graph of line 4 x - y = 5 and 5y - 4 is -=7 on the same graph paper and find the coordinates of the point of intersection

Answer 1

Let 4x-y=5. Let 5y-4x=-5
x=1,then y=1then
4×1-y=5. 5×1-4x=-5
4-y=5. 5-4x=-5
-y=5-4. -4x=-5-5
-y=1. -4x=-10
y=1. x=-10/-4
x=5/2