Answer:
ok
Step-by-step explanation:
1
7=9x+10+x+3
Step-by-step explanation:7=10x+13
10x=20=10x/10=20/10=2 2 is the answer
$556
4+7+6+10+8=35
35x12=420
4x14=56
5x16=80
420+56+80=556