Respuesta :
Answer:
a=-6
Step-by-step explanation:
6a+7=13+7a
subtract 7 from both sides
6a=13+7a-7
subtract 7a from both sides
6a-7a=13-7
add like terms
-a=6
divide by -1
a=-6
Answer:
a=-6
Step-by-step explanation:
6a+7=13+7a
subtract 7 from both sides
6a=13+7a-7
subtract 7a from both sides
6a-7a=13-7
add like terms
-a=6
divide by -1
a=-6