No actually you can just multiply both sides of the equation by 2 and get y-4=20. then add 4 to both sides to get y=24.
Answer:
The value of the 2nd expression is 14, so the expressions are equivalent.
Step-by-step explanation:
6 + 2x - 2
6 + 2(5) - 2
6 + (10) - 2
16 - 2
14
Answer:
230 were sold at the door
170 were sold in advance
Step-by-step explanation:
x=at door y=in advance
x+y=400
3x+2y=1030
y=-x+400
2y=-3x+1030
y=-3/2x+515
-x+400=-3/2x+515
x=230 y=170
F(x)=-4(-1)-5
f(x)=4-5
f(x)= -1
-1 is your answer
Dillion has 4 blue marbles and 12 red marbles
And max has 96 red marbles