Answer:
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Answer:
25, 70, 85
Step-by-step explanation:
x+2x+20+3x+10=6x+30
6x+30=180
6x=150
x=25
The angles are 25, 70, and 85
Answer: (8,8)
Step-by-step explanation:
First you need to get a x or y by itself.
I choosed to get y by itself since it would be faster.
-2x + y = -8 (first get -2x to the other side so add 2x)
y = -8 + 2x (then you want to insert that to the other equation)
-x + 4( -8 +2x) = 24 -> -x -32 + 8x = 24 -> 7x -32 = 24
(add 32 to the other side)
7x = 56 (divide 7 to 56 to get x) x = 8
now insert into the other equation
-2( 8 ) + y = -8 -> -16 + y = -8 ( move -16 to the other side, so add 16)
then you get your answer, y= 8
The children's ticket is $6 and an adults ticket is $8.
Set up two equations, 2A+C=22 and A+3C=26.
Rearrange the second equation to A=26-3C. Now plug this in to the first equation so you get 2(26-3C)+C=22 and solve
Step-by-step explanation:
When x = -2, x + 2 = (-2) + 2 = 0.