Answer:
3(7x-3)
Step-by-step explanation: I factor it.
Answer: 21 . . . . . .
Credit to the person below-
Answer: 4x - 6 = 563
Suma 6 a ambos lados para aislar la variante 4x.
4x - 6 = 563
+6. +6
4x = 569
Divide ambos lados por 4
4x/4 = 569/4
X = 142.5
Step-by-step explanation: