Answer:
x=37
Step-by-step explanation:
When 2 lines cross like this, the angles on either side must add up to 180°, or a flat line. This means the angles across from each other, in this case 75° and (2x+1) ° are equal. So, we set 75=2x+1 and solve.
75-1=2x
74=2x
74/2=2x/2
x=37
