Answer:
21. 2
22. -20
23. -9
24. 2
25. 28/9
Step-by-step explanation:
simply substitute the value of x
22. - 20
23. - 9
25. 3 1/9 or 28/9
21. - 2x
=-2(-1)
=2
22. 5x-5
=5(-3)-5
=-15-5
=-20
23. - 3x+3
=-3(4)+3
=-12+3
=-9
24. 2x+2
=2(0)+2
=0+2
25. - 8/9+2x
=-8/9+2(2)
=-8/9+4
=3 1/9 or 28/9
