Please help me on number 21 And please explain
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Answer:
the answer is D) x=12
Step-by-step explanation:
You need to first multiply 3*12 then add 13. After that you need to find the square root of 49, your final answer is going to be 7. the second equation is 5*12 then subtract 11, after that find the square root of 49, and then it equals to 7.