4.05x+5.25(149-x)=710.25
Solve for x
X=60 ........4.05
149-60=89.....5.25
Y = -3x + b
Plug in point
-4 = -3(3) + b
-4 = -9 + b, b = 5
Solution: y = -3x + 5
X - the number
3(x+1)=2x+4
3x+3=2x+4
3x-2x=4-3
x=1
Answer:
18
Step-by-step explanation:
You have to set the equations equal to each other and then solve for the variable.
Hope this helps:)