1. X+2=3x-4
6=2x
x= 3
2. y= 8-x
8-x = 3x+4
4= 4x
X= 1
3. -2x +3(2x+7)=9
-2x + 6x + 21 = 9
4x = -12
x= -3
Answer:
7 X / 2 y
Step-by-step explanation:
let Mel equals to X and female equals to y
therefore ×=y
therefore to make the count proper we have to multiply the male by 7
so 7 x = 2y and the fraction becomes 7 X / 2 y
hope this helps
Answer:
2
Step-by-step explanation:
The graphs intersect at 2 points.
The 2 solutions are x = -2 and x = 6.
Answer:
Number 1, i think
Step-by-step explanation:
Answer:
Step-by-step explanation:
f(3)= 3^3 - 3^2 = 27 - 9 = 18
g(18)= 2(18) + 10 = 36 + 10 = 46