Question

Qual o resultado de:-3x+10=2x+√81

Answer 1

$\LARGE\tt{}3x + 10 = 2x + \sqrt{81} \\ \LARGE\tt{}3x + 10 = 2x + 9 \\ \LARGE\tt{}3x + 10 - 2x = 9 \\ \LARGE\tt{}3x - 2x = 9 - 10 \\ \LARGE\tt{}x = 9 - 10 \\ {\large\boxed{\boxed{  { \LARGE \tt x = - 1 }}}}$

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Answer 2

-3x-2x=-10+9

-5x:1

x=-1