Answer:
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Step-by-step explanation:


answer is: 
I hope it's help!
What does the eliminate mean?
And? What happens to her and the calculator?
Divide 140 by 5 = 28
The answer is 28
Answer:
1 = t
Step-by-step explanation:
add 2t to both sides which will leave you with 16 = 7t + 9 then you subtract 9 from both sides which leaves you with 7 = 7t so after that your going to divide by 7 on each side and you should have 1 = t