Answer:
-20x+30
Step-by-step explanation:
Here ya go. Hope I helped
The sum of four and a number
Step-by-step explanation:
D) 12 in3
How to get the volume
length x width x height
in this case it be
base x height
Answer:
Step-by-step explanation:
55
3x + 7 = x
First, subtract 3x from both sides. / Your problem should look like: 7 = x - 3x
Second, simplify x - 3x to -2x. / Your problem should look like: 7 = -2x
Third, divide both sides by -2. / Your problem should look like:

= x
Fourth, simplify

to

/ Your problem should look like:

= x
Fifth, switch sides. / Your problem should look like: x =

Answer as fraction:

Answer as decimal: -3.5