Question

2 X + 90 barabar 180 degree​

Answer 1

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$2x + 90 = 180 \\ 2x = 180 - 90 \\ 2x = 90 \\ x = \frac{90}{2} \\ x = 45$

Answer 2

45

Step-by-step explanation:

2x+90=180

2x=180-90

2x=90

x=90/2

x=45