Step-by-step explanation:
the answer would be -9.
28x -63 = -315
add 63 to -63 and -315
there u get this
28x= -252
then divide 28 both sides
x=-9
Answer:
-9
Divide both sides by -7
-4x+9 = 45
Subtract 9 from both sides
-4x = 36
Divide both sides by -4
x = -9
