Question

Me ajudam prfvr.
A) 2x + y= 8
X + 3y= 14


B) 3x- 4y = 11
2x + y= 11

Answer 1

a) 3y+2.(8-y)=14 3y+16-2y=14 3y+16-2y=14 3y-2y=+14-16 y=-2 ____(5,-2) _______ 2x+y=8 2x-2=8 2x=8+2 2x=10 x=10 2 x=5