ronlado ha yjfiijewfjewjiwegrwgqefofwegfwqefEW
7x + 4 = 12
7x = 12-4
7x = 8
x = 7/8
Answer:
Step-by-step explanation:
<u><em>System A and System B are </em></u><u><em>not equivalent</em></u> !!!