Answer:
x = -3
Step-by-step explanation:
12 -4x-5x = 39
Combine like terms
12 - 9x = 39
Subtract 12 from each side
12-9x-12 = 39-12
-9x = 27
Divide by -9
-9x/-9 = 27/-9
x = -3
You do add the two negatives and get a negative answer but -3 + -5 = -8
Answer:
20.4131
Step-by-step explanation:
You need to have only 4 decimal places after , last decimal being approximated
