Step-by-step explanation:
18+3=x+3
21=x+3
x=21-3
x=18
<h2>stay safe healthy and happy...</h2>
Answer:
Y = -12
Step-by-step explanation:
Answer:
B
Step-by-step explanation:
Answer:
27
Step-by-step explanation:
Subtracting a negative is like adding
21 - -6
21 +6
27
The answer is c I know cause i done it