Question

resolva a inequaçao 4x+3y=11 5x+2y=5

Answer 1

4x+3y=11(5)
5x+2y=5(-4)

20x+15y=55
-20x-8y=-20
7y=35
y=5

4x+3.5=11 5+2.5=5
4x+15=11 5x+10=5
4x=11-15 5x=5-10
4x=-4 5x=-5
x=-1 x=-1