4(2x-7)=8x-28
4(-4x+18)=-16x+72
(8x-28)-(-16x+73)
24x+45
The answer to this question is option <u>C. </u><u><em>104
°</em></u>
(Late answer!)
We use rulers obviously because the length of rulers are about 4 more times longer than hands. Hope this helps you :]
The answer should be x = 6
