Question 247203
10.00-1.02=8.98
a=b+1
a+b=8.98
substitute b+1 for a
b+1+b=8.98
2b+1=8.98
2b=7.98
b=7.98/2
b=3.99 tax included
a=4.99 tax included
check
3.99+4.99=8.98
8.98=8.98
ok