Answer:
12x
Step-by-step explanation:
You can add the like terms (which have x)
5x+7x=12x
Answer: b,
Step-by-step explanation:
Round $3.29 to $3. Then subtract $7 and $3 to get $4
2x=3x-29
-x=-29
Divide by negative one
x=29.
Answer:
area of rectangle and square