Answer:
11
Step-by-step explanation:
3x+2
3(11)+2
33+2
35
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Math
Answer:
72
Step-by-step explanation:
18*4
12*6
8*9
Answer:
Step-by-step explanation:
we can write -9 instead of x and y=1 instead of 1
so we write solution again
-9a+1b=-31
-9a-1b=-41
-18a=-72
a=4
we should write 4 instead of a
-9(4)+1b=-31
-36+b=-31
b=5
a=4
I cant hardly see it ,what's the question?
