Answer: [tex]\large\boxed{\text{No Solution}}[/tex]
Step-by-step explanation:
Given equation
[tex]\sqrt{t+1}+9=7[/tex]
Subtract 9 on both sides
[tex]\sqrt{t+1}+9-9=7-9[/tex]
[tex]\sqrt{t+1}=-2[/tex]
Conclusion
[tex]\text{Since radical values are always positive, it is false that }\sqrt{t+1}\text{ will equal to -2}[/tex]
[tex]\text{Therefore, it is }{\large\boxed{\text{No Solution}}}\text{ in the context of real numbers}[/tex]
Hope this helps!! :)
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