Answer:
x=4
step by step:
0.6x-3.2=0.4-0.3x
+0.3x +0.3x
0.9x-3.2=0.4
+3.2 +3.2
0.9x=3.6
/0.9 /0.9
Step-by-step explanation:
430
x4%
_________
$17.20+ $430= $447.20