A dinosaur bc dinosaurs have lots of kegs
The absolute value returns the "positive version" of a number.
In other words, if the number is positive, it remains positive; if the number is negative, it changes sign.
So, if we want , we want the "positive version" of x to be 9.
This can happen in two ways: if x is already 9, then its absolute value is still nine. If instead x=-9, its positive value will be 9 again.
In formula, we have
because
Answer:
ok ill help u
Step-by-step explanation:
Answer:
-10 I guess its this maybe
Just adding the 2 equations eliminates the terms in x (7x + -7x = 0) giving:-
0 + 9y = 9
y = 1
Plug this into the first equation:-
7x + 4(1) = -3
7x = -7
x = -1
Answer x = -1 and y = 1.