Answer:
x + 3
Step-by-step explanation:
Given
(8x - 6) - (7x - 9)
Distribute the first parenthesis by 1 and the second by - 1
= 8x - 6 - 7x + 9 ← collect like terms
= x + 3
Answer:
x= 3/5
Step-by-step explanation:
Answer: C. 45 degrees and 135 degrees
Answer:
81cm
Step-by-step explanation:
15cm + 20cm + 21cm + 25cm = 81cm