Respuesta :

Answer:

a= -2

Step-by-step explanation:

4-7a=3-a+13

4-7a=16-a

 +a.     +a

4-6a=16

-4.    -4

-6a=12

/-6.  /-6

a= -2

Hopes this helps please mark brainliest

Answer:

a = -2

Step-by-step explanation:

rearrange terms.

-7a+4=3-a+13

add numbers.

-7a+4=16-a

rearrange terms.

-7a+4=-a+16

subtract 4 from both sides.

-7a=-a+12

add a to both sides.

-6a=12

divide both sides by -6.

a=12/-6

simplify.

a=-2