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9 votes
9 votes
Need help pls , 20 points
no links or else I will report

Need help pls , 20 points no links or else I will report-example-1
User Shivani
by
2.9k points

2 Answers

7 votes
7 votes

Answer:

x=72

Explanation:

x=3/4x+18

4(x=3/4+18)

4x=3x+72

x=72

User Kaynewilder
by
2.6k points
12 votes
12 votes

Answer:

  • 18² + (3/4x)² = x²
  • 18² = x² - 9/16x²
  • 18² = 7/16x²
  • x² = 16*18²/7
  • x = 72/√7
  • x ≈ 54.42
User Peter Severin
by
2.9k points