Answer:
$173.70 will be the balance
Step-by-step explanation:
350 - (4*18.45) - (2*51.25)
350 - 73.80 - 102.50= 173.70
Only one because there is one variable and the combined coefficients of x are non-zero.
(0.75(x+40)=0.70(x+20), 0.05x=14-30=-16, x=-320)