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I need to know if I am did this right. please help me
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ok \[\sqrt{7r+2}+3=7 \] dose it have no solution
yes, it has
it has one ?
may be, let see. -3 both sides. square both sides simplify done
ok but dose it have a solution?
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yes
I need to know if I am did this right <---- what did you get that may not be right?
ok so what did you do
again, YES, it has
\[\sqrt{7r + 2} +3=7\rightarrow \sqrt{7r+2}=4 \] \[7r+2=4^{2} \rightarrow 7r+2=16\] \[7r=14\rightarrow r=7\]
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ineedhelpnow08 \(\huge \checkmark\)
well... wait... shoot.... spoke too soon anyhow
\(\bf \sqrt{7r+2}+3=7\implies \sqrt{7r+2}=4\implies 7r+2=4^2 \\ \quad \\ 7r=16-2\implies r=\cfrac{14}{7}\)
oh yeah my bad14/7 is 2
yeap
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thx
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