First off, nicely done on the exponents. You'd be surprised on how bad some look ,:D
a)

b)
The answer is x=-21
explanation:
x/7=-3
x=-3×7
x=-21
Answer:
The answer is spread from 1 to 6! This is because the dots are spread through numbers 1-6 and there are no gaps.
The answer is b. Multiply 8 by 6 then add 7. Hope it helps.
Answer: • 6
• -4
•3
Step-by-step explanation: