we don't know what the value of "X" is, so therefore, we cannot conclude that it is 15 cm.
Step-by-step explanation:
-2x=30-120
-2x = -90
=x = -90/-2
=x = +45
Answer:
AC is double the length of AB
so AC = 12
Step-by-step explanation:
mark me as brainliest ❤️
Start with

Expand both parentheses by multiplying both terms by the number outside:

Sum like terms:

Simplify the "+3" on both sides:

Subtract 2x from both sides:

Divide both sides by 2:

Answer:
0
9
18
27
Step-by-step explanation:
# of cards * 1.8