Sorry for my messy handwriting but this is the answer
Answer:
(x+11)(x-11)
Step-by-step explanation:
Answer:
10
Step-by-step explanation:
1x+20=30
1x=30-20
x=10
Answer:
b = (c-3a)/2
Step-by-step explanation:
3a+2b =c
Subtract 3a from each side
3a-3a+2b =c-3a
2b = c -3a
Divide each side by 2
2b/2 = (c-3a)/2
b = (c-3a)/2