Answer:
-4
Step-by-step explanation:
=> -|-12+20-5-7|
=> -|-4|
=> -4
Answer:
y = 6
Step-by-step explanation:
7x - 9y = 23
7(11) - 9y = 23
77 - 9y = 23 (subtract 77 from both sides)
-9y = -54 (divide both sides by -9)
y = 6
Answer:
3x
Step-by-step explanation:
√9x²
√3²x²
√3²√x²
3x
hope it helps
Answer:
3
Step-by-step explanation:
