Answer:
x=9
Step-by-step explanation:
3x-7=7+13
3x-7=20
3x=27
27/3
x=9
D) 5
3(x + 2) + x = 2x + 16
Distribute the 3 to the (x + 2)l
3x + 6 + x = 2x + 16
4x + 6 = 2x + 16
Subtract 2x and 6 from each side.
2x = 10
Divide each side by 2
x = 5
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Answer:
level D stands for 4th grade
Step-by-step explanation: It stands for the grade you're working on.
-hope this helps
Answer: x=-1 or x=7
Step-by-step explanation: hope this helps!