Answer:
X=-1
Step-by-step explanation:
3x-15=-18
+15 +15
3x=-3
x=-1
x = -1
3x - 15 = -18
Add 15 to both sides;
3x = -3
Divide both sides by 3;
wait hold on how much money does she have in total?
200 ; 2^3 x 5^2
sure ill help
