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Solve the given equation.

3+ √ 9x + 4 = 18

Solve the given equation. 3+ √ 9x + 4 = 18-example-1
User Lorris Lin
by
7.8k points

2 Answers

5 votes
X= 11/9

Step-by-step explanation:
User AlexFZ
by
7.9k points
3 votes

Answer:

221/9

Step-by-step explanation:

3+ sqrt( 9x + 4) = 18

Subtract 2 from each side

3-3+ sqrt( 9x + 4) = 18-3

sqrt( 9x + 4) = 15

Square each side

(sqrt(9x+4))^2 = 15^2

9x+4 = 225

Subtract 4 from each side

9x = 225-4

9x = 221

Divide by 9

x = 221/9

User Haroldo Gondim
by
7.1k points

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