2 ( x + 1 ) = 12
Use distributive property:
2x + 2 = 12
Subtract 2 from both sides:
2x = 10
Divide both sides by 2:
X = 5
Well, it's 40/4 for one minute, or 10 for one minute. You want 36 mins, so you multiply by the square root (6), to get $60, to which you also add the $90 for the lesson (result is $150)
Answer:
4.5
Step-by-step explanation:
Answer:
its 4
Step-by-step explanation:
Answer: x=18
Step-by-step explanation: 16-18=-2
Good luck! :)