Respuesta :
Answer:
x= -3/28
Step-by-step explanation:
Multiply both sides of the equation by 42
-28x+18=21
-28x=21-18
-28x=3
x= -3/28
Answer:
x= -3/28
Step-by-step explanation:
Multiply both sides of the equation by 42
-28x+18=21
-28x=21-18
-28x=3
x= -3/28