Answer:
1st 9.919x10^4 2nd a
Step-by-step explanation:
sorry if I got this wrong
Answer:
step 3 has incorrect justification.
Step-by-step explanation:
because it was combine like terms but 8 is still in left hand side. So,combine like terms 3 has incorrect justification.
Answer:
-3,9
Step-by-step explanation:
X=6
you could use trial and error by plugging in numbers to the equation, or transform the expressions by writing the numerators by the common denominator.