What is the answer to sqrt((20a-11))=9 ?

The answer to sqrt((20a-11))=9 is a= 23/5

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sqrt((20a-11))=9

(20 a - 11) = 9

a = \frac{23}{5}

Decimal

a = 4.6

Solution steps

(20 a - 11) = 9

Square both sides:

20 a - 11 = 81

20 a - 11 = 81

Solve

20 a - 11 = 81 : a = \frac{23}{5}

a = \frac{23}{5}

Verify Solutions:

a = \frac{23}{5}

True

The solution is

a = \frac{23}{5}

x - 5 = - 2 x + 1

n + 9 = 11 - n

x - 4 = - 5

x + 2 - x + 4 = 0

x^{\frac{2}{3}} + 5 x^{\frac{1}{3}} + 4 = 0

What is the answer to sqrt((20a-11))=9 ?
The answer to sqrt((20a-11))=9 is a= 23/5
Solve for a: sqrt((20a-11))=9
The solution is a= 23/5