Respuesta :

Answer: a=-7

Step-by-step explanation:

Answer:

a = -7

Step-by-step explanation:

-3 + 5a = 4a - 10

5a = 4a - 7                            Add 3 to both sides

a = -7                                   Subtract 4a from both sides

Hope this helps,

A.W.E.S.W.A.N.