The answer is a. here’s a picture that hopefully helps explain the reasoning/work
Take a pic of whole page so I can see instructions
For the 1 first problem you have to do additive inverse where the subtraction sign is and then combine all the z's and then combine the normal numbers and then put plus sign in between
Answer:
x=4
Step-by-step explanation:
9x-18 = x+14
9×-× = 14+18
8× = 32
X = 4