Respuesta :
Answer:
a = 1
Step-by-step explanation:
2(a+7)-7=9
distribute: 2a + 14 + -7 = 9
combine like terms: 2a + 7 = 9
subtract 7 from both sides: 2a = 2
a = 1
Answer:
a = 1
Step-by-step explanation:
2(a+7)-7=9
distribute: 2a + 14 + -7 = 9
combine like terms: 2a + 7 = 9
subtract 7 from both sides: 2a = 2
a = 1