8> -1; Subtract 8 from both sides.
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Answer:
x = 24
Step-by-step explanation:
In a radical equation it is critical to start by isolating the root that contains the unknown on one side of the equal sign, so we do such by adding 3 to both sides:
Next we square both sides of the equation to free the unlnown from the square root:
We found x by adding 8 on both sides. Therefore x=24.
One can check the answer by replacing x by 24 in the original equation.