What is straight, is part of a line , and has 2 endpoints

What value of x is in the solution set of 4x – 12 s 16 + 8x?

John used linear combination to solve the system of equations shown. he did so by multiplying the first equation by -3 and the second equation by another number to eliminate the x-terms. what number did jonas multiply the second equation by? 4x-6y=23x+5y=11

Ineed with angles and the measure of them i have abc a is 65 and b is (3x-10) and c is (2x) find the value of x