Answer:
Step-by-step explanation:
3) Final step of problem 1: -5x + 6
-5x + 6 = -5*(-2) + 6
= 10 + 6 = 16
4) x + -4 + -2(3x -5 ) = 8 + -4 + -2(3*8 -5)
= 4+ -2(24 -5)
= 4 + -2*19
= 4 - 38
= -34
