I use an app called Socratic also it works very well!!
Answer:
I was gonna answer it but I'm in the wrong section I thought it was science then I saw it was math
Answer:
(-2.5,0)
Step-by-step explanation:
1.5(4x+3y)=-10(1.5) =
6x+4.5y=-15
6x+4.5y= 6x-5y (substitution)
-6x from both sides
4.5y =-5y
y=0
6x-0=-15
divide by 6
x=-2.5
Check:
-2.5(4)+3(0)=-10
-10= -10 (correct!)
(6)-2.5-0=- 15 (correct!)
Answer:
1.60
Step-by-step explanation:
21.60-20.00= 1.60