Answer:

Step-by-step explanation:
Given: 
Step 1: Distribute the Left-Hand Side

Step 2: Collect like terms

Step 3: Divide both sides by 2

Answer: that the variable can be any number.
Step-by-step explanation:
So we have a linear equation and we end with a relation of the way:
x = x
an example can be if we have:
2*x + 4 = 2*(x + 2)
if you solve that, you will end with a relationship x = x
this means that any value of x will made that equality true.
so x can be any number.
The school has 270 classrooms, hope this helps.
9(30) = 270
Answer:
The angle is "27 and 63".
Step-by-step explanation:
Let A and B are two angles, in which A is "
" complementary angles and B be is another complementary angle.
Condition of complementary angle
:

Solution:
