Question

pls answer this fast​

Answer 1

Step-by-step explanation:

$\frac{x}{2} - 20 + 90 + \frac{x}{2} = 180 \\ \frac{2x}{2} + 70 = 180 \\ \frac{2x}{2} = 180 - 70 \\ 2x = 110 \times 2 \\ x = \frac{220}{2} = 110$