3x+3-5x=12-6x+7
-2x+3=-6x+19
Subtract 3 from both sides.
-2x=-6x+16
Then move the -6x over.
4x=16
Divide by 4 on both sides.
x=4
the b is the y-intercept, the m is the slope, keep y and x
Answer:
$4.75
Step-by-step explanation:
9/2.25=19/x
cross product
2.25*19=9*x
42.75=9x
x=42.75/9
x=4.75
