+ 19 on both sides, -19 becomes 0, 1 becomes 20 x=20
Answer:
x = 0.5
Step-by-step explanation:
Answer:
± 4i
Step-by-step explanation:
= 
=
×
×
= 4
i → [
= i ]
Answer:
$ 6.50
Step-by-step explanation:
Based on the given conditions, formulate 3+2 × 1.75
calculate the first two terms 3+3.5
calculate the first two terms 6.5
Answer: 6.5