Answer:
Is -15
Step-by-step explanation:
Answer:
sorry no cheating
Step-by-step explanation:
-5x + x + 9 = -4x + 12
-4x+9= -4x+12
move +9 to the other side
sign changes from +9 to -9
-4x+9-9= -4x+12-9
-4x= -4x+3
move -4x to the left side
sign changes from -4x to +4x
-4x+4x= -4x+4x+3
0= 0+3
0= 3
Answer: no solution
