Question

Question 16 not 15.

Answer 1

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$11x + 16 = (9x + 2) + 32$

$11x + 16 = 9x + 34$

Subtract sides 16

$11x + 16 - 16 = 9x + 34- 16$

Simplification

$11x = 9x + 18$

Subtract sides 9x

$- 9x + 11x = - 9x + 9x + 18$

Simplification

$2x = 18$

Divide sides by 2

$\frac{2x}{2} = \frac{18}{2}$

$x = 9$

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Answer 2

Answer:

x=9

Step-by-step explanation:

angle 4 = angle 1 + angle 2

11x + 16 = 9x + 2 + 32

combine like terms

11x - 9x = 2 + 32 - 16

2x = 34 - 16

2x = 18

x = 18/2

x = 9