Answer:
Right angled and isosceles
Answer:
6.29
Step-by-step explanation:
so you know that the unknown side which is 7x + 27 equals 71.
You can begin by subtracting 27 from 71 which will give you 44.
you then know that 44 = 7x
then you just have to do 44 divided by 7 to find x which isss...
look above at answer
Answer:
x=2, y=3
Step-by-step explanation:
You re write the equation, so when the equations are added one of the variables are eliminated
15-3b=63
subtract 15 from both sides
-3b=48
divide -3 from both sides
b= -16
