Should be chosen the bigger propability
0,6>0,4
-5 = 3/4x - 2
-5 + 2 = 3/4x
-3 = 3/4x
-3 / (3/4) = x
-3 * 4/3 = x
-12/3 = x
-4 = x <==
Answer:

Step-by-step explanation:
To make
into a fraction, you must first move it to the numerator and make 1 the denominator.

And then you multiply it by
or you can say 

After you multiply you divide the numerator and denominator by 2.

And now this equals:

Hope this helps!
Step-by-step explanation:
√7 + √7 = 2√7 (irrational)
√7 + (-√7) = 0 (rational)
√7 + 0 = √7 (irrational)
√7 + 7 = 7 + √7 (irrational)
The answer is the 2nd option / -√7.