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Work out the value of x

Work out the value of x-example-1

2 Answers

12 votes
The answer would be 35.
User Tomas Katz
by
5.2k points
9 votes

Answer:

x=35

Explanation:

A pentagon's sum of interior angles is 540 degrees.

Now, we can set up an equation.

(4x - 57) + (3x + 15) + 4x + (2x - 3) (3x + 25) = 540

Combine similar terms

16x - 20 = 540

16x = 560

x = 35

User Jlnorsworthy
by
5.1k points