maths
posted by aisha on .
solve 2x+3y=13 with 4x+5y=23

2x + 3y = 13
4x + 5y = 23
multiply the first equation by 4, the second by 2, add:
8x + 12y = 52
subtract these two equations
8x + 10y = 46
______________
2y = 6 Divide 2
y=3
posted by aisha on .
solve 2x+3y=13 with 4x+5y=23
2x + 3y = 13
4x + 5y = 23
multiply the first equation by 4, the second by 2, add:
8x + 12y = 52
subtract these two equations
8x + 10y = 46
______________
2y = 6 Divide 2
y=3