Answer:
In the equation, it divides 21 by x before knowing what x is, and gets it incorrect. Instead, you need to divide 21 by -4.2.
Step-by-step explanation:
-4.2x = 21
-------------
-4.2
x = -5
Answer:
y = -5 + 6=1 is your answer
Answer:
5 = 1/4c
Step-by-step explanation:
Answer:
Step-by-step explanation:
x^2 = 64
√x² = √64
x = 8, -8
answer is B