Answer: a = 2,84
Step-by-step explanation:
34(4a + 12) = 21 a =
136a + 408 = 21
136a = -408 + 21
136a = - 387
a = <u>- 387 </u>
136
a = - 2,84
A) write an equation you can solve to find the cost of one ticket
x=cost of one ticket.
9x+5=104
b)
I have to solve this equation.
1)adding -5 to each side
2) dividing both sides by 9
c)
9x+5=104
1) 9x+5-5=104-5
9x=99
2) 9x/9=99/9
x=11
the cost of each ticket was $11
Answer:
D
Step-by-step explanation:
