Answer:
I know a little of this
Step-by-step explanation:
ok so what you do is for example take both of the small equation with the same variable and equal them to each other then plug in to the other
ex. 7x-31 =5x-8 solve this the plug what you get into the y in equation 4(y) +27
Answer:
1. 81.0
2. I`m trying to figure that out now I will give answers when I can
Step-by-step explanation:
Answer:
Step-by-step explanation:
Sorry i dont know
1) 180-(44+45)=91
2) 180-(53+37)=180-90=90
