Respuesta :
Answer:
r = -3
Step-by-step explanation:
4r - 3=3( 3r + 4 )
4r - 3 = 9r + 12
-12 -3 = 9r - 4r
5r = -15
r = -3
Can I get brainliest
Answer:
-3
Step-by-step explanation:
4r-3=3(3r+4)
4r-3=9r+12
-3=9r-4r+12
-3=5r+12
-3-12=5r
-15=5r
-15/5=5r/5
-3=r