Answer: x=9,y=-1/3
Step-by-step explanation: This is for Q. 16
Rearrange terms to line up properly.
x-3y=10
x+3y=8
eliminate y terms
x=10
x=8 now add all like terms, remember it's a given that there's a one in
front of a variable.
2x=18 solve for x
x=9 now plug in the nine into one of the original eq.s and solve for y
9+3y=8
3y=-1
y=-1/3 always check solutions in both eq.s to vertify. they both work
Answer:
Step-by-step explanation:
Here you go mate
Step 1
(-4)^-3 Equation/Question
Step 2
(-4)^-3 Simplify
1/-64
answer
1/-64 or -64
Answer:
42L
Step-by-step explanation:
with 18L the car can go 150km. we find the amount of petrol when car travels 1km by
18 divided 150= 0.12
then we use 0.12 multiply 350= 42L
Answer:
b=3
Step-by-step explanation:
-7+1/3b=-6
+7 +7
1/3b=1
*3 *3
b=3
- 
= 
