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OpenStudy (anonymous):
solve sqrt(11-x) = sqrt(x-7) 6 7 8 9
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OpenStudy (anonymous):
x=9
OpenStudy (anonymous):
could you explain? :) @groges
OpenStudy (anonymous):
square both sides to get rid of the square root.. that leaves you with 11-x=x-7
OpenStudy (anonymous):
then solve as a normal linear equation, bring x to the left and constants to the right and evaluate x
OpenStudy (anonymous):
oh okay! thanks :)
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OpenStudy (anonymous):
no prob :)
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