Answer: x = -39
Step-by-step explanation:
85= -6x+7+4x combine like terms (-6x, 4x)
85= -2x+7 subtract 7 from both sides
78= -2x divide both sides by -2
x= -39
Step-by-step explanation:
the rate of change in A
10-5/4.5-3 .5
=5.
but where is the function B??
just pick two y values and it's corresponding x values
the rate of change is equal to the gradient .
change in y values divided by change in the x values.
Answer:
2/7
Step-by-step explanation:
If he pulls out 2 reds that leaves 2 reds left and 5 blue and in total thats 7 marbles