Find the soluiton
2x+2y=16
3x-y=4
x+y=8
<u>3x-y=4+</u>
4x=12
x=3
3(3)-y=4
9-y=4
y=5
(3,5)
test them to see if get true statment
obviously the first equatons of 1,2,4 work
1 doesn't work
2, works
4. doesn't work
2 is the same as the first except both euations are just doubled
answer is 2
Answer:
12
Step-by-step explanation:
-2f-3=7
+2f-3=7+2
f-3=9
f+3=9+3
f=12
i think
Answer:
4 widgets
Step-by-step explanation:
8÷2=4
Mark me brainliest
Answer:
1,8 and 5,10
Step-by-step explanation:
Answer:
answer is c. x=-4
Step-by-step explanation:
7x+6=-22 =》 7x=-28 =》 x=-24/7=-4
