Answer :
Answer:
Step-by-step explanation:
5x + 9 + (-7x) = x + 9
All x terms on the right and constants on the left
5x + (-7x) - x = 9 - 9
5x - 7x - x = 0
5x - 8x = 0
-3x = 0
Answer:
Step-by-step explanation:
5x + 9 + (-7x) = x + 9
All x terms on the right and constants on the left
5x + (-7x) - x = 9 - 9
5x - 7x - x = 0
5x - 8x = 0
-3x = 0