(2) + (2)
=> 8x - 6y = -46 ———(3)
(1) + (3)
=> 5x + 6y + (8x - 6y) = 20 - 46
=> 13x + (6-6)y = -26
=> 13x + 0y = -26
=> 13x = -26
=> x = -26/13
=> x = -2
=> 5(-2) + 6y = 20
=> 6y = 20 + 10
=> 6y = 30
=> y = 5
x = -2, y = 5 => C
A) A triangle can have two congruent angles.
It's called an Isosceles Triangle
Is this for English it makes no sense at all if anything it should be for math dose not make sense at all........................................................................................................................................
You are going to subtract.
<span>5/8 - 1/3 equals to 7/24
Hope this helps :)</span>