Step-by-step explanation:
for a
x = 11
for b
x = - 3
for c
2 + x = - 5
for d
2x - 1 = 7
Hope it will help :)❤
x=-33/3=-11
x=12/-4=-3
2+x=-25/5
2+x=-5
2x-1=-42/-6
2x-1=7