7 is the square root or 49 because 7 times Itself would be 49. (7x7=49)
I don't think they are equivalent. try it yourself
-4x+y= -9 can be turned into
y= -9 + 4x
5x+2y=3 (plug y in)
5x+2(-9+4x)=3
5x-18+8x=3
5x+8x=3+18
13x=21
divide 13 on both sides
x=1.6
10 is the answer
why are you struggling
so simple
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Answer:
7
Step-by-step explanation:
Add 10,11, and 5
10+11+5=26
subtract 26 from 33
33-26=7
