Start with

Add 2x to both sides:

Subtract 21 from both sides:

Divide both sides by 5. Since it is positive, we don't have to change the inequality sign:

So, the answer is 
Answer:1437
Step-by-step explanation:
chrome
Answer:

Step-by-step explanation:
<u>Step 1: Find the square root of -1</u>
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Answer: 
Answer:
-16
Step-by-step explanation:
So let’s solve for 7x. So 7x=34. So 7x-50 is 34-50 or -16
Answer:
neither!
Step-by-step explanation: