Answer:
x= -18
Step-by-step explanation:
We want to isolate x ( move everything to the other side of the equation)
-7 = -1 + x/3
-6 = x/3
x= 3*-6
x= -18
Answer:
$15
Step-by-step explanation:
$3 correspond is the 20% discount of the total price.
If the total price is x then you can express the discount as:
0.20x = 3
x = 3/0.20
x = 15
Answer:
x = 37
Step-by-step explanation:
Answer:

Step-by-step explanation:
Pythagorean theorem is:


Answer:
X is 3
Step-by-step explanation:
15-x=12
X=15-12
X=3