Question

Resolva is sistemas 3x-2y=1, 4x+5y=2

Answer 1

3x-2y=1 (.5)
4x+5y=2 (.2)

15x-10y=5
8x+10y=4
________
23x=9
x=9/23

3x-2y=1
3(9/23)-2y=1
27/23-46y/23=23/23
-46y/23=23/23-27/23
-46y=-4
y=4/46
y=2/23