3x+2x+4=39 multi steps equation

x = 7

Step-by-step explanation:

3x+2x+4=39

combine like terms 3x and 2x: 5x+4=39

subtract 4 on each side to get x alone: 5x=35

divide 5 on each side to get x alone: x = 7

x = 7

i hope this helped :))

part a

x     y

0     8

1     7.5

2     7

3     6.5

4     6

5     5.5  

for every hour i deducted .5 inches from the length of the candle

part b

it is a function because for every x value there is only one y value

part   c

for every x value there is only one y value

x       y

0       8

1       7.6

2       7.2

3       6.8

step-by-step explanation: