Step-by-step explanation:
2x-3x=5+10
-x=15
X=-15
2x+1=0.... 1
X-1=0
X=1......2
Substitute the value of x in equation 1
2*1+1=0
2=1
So the value of x is 1 and 2
The answer is A,) (-2,-5) because I just did it in my CASIO calculator
80 cm^2 i think this your answer
Answer:
The easiest way is to round down to 40 and take 50% of that, which is 20. The actual answer is 20.5.
Step-by-step explanation:
Answer:
a=28
Step-by-step explanation:
use inverse operations
