Answer:
x = - 6
Step-by-step explanation:
Given
x + 5 = 1 ( subtract 5 from both sides )
x = - 4
Multiply both sides by 3 to clear the fraction
2x = - 12 ( divide both sides by 2 )
x = - 6
Answer:

Step-by-step explanation:
Here is the complete question: 28 elementary schools to 16 middle schools, write the ratio in simplest form.
Given ratio= elementary schools: middle schools:: 28:16
The ratio can be written as 
Now to write
into simplest form, we need to divide both numerator and denominator by 4.
∴ elementary schools: middle schools= 
Hence, we get simplest ratio of elementary schools to middle schools= 
The answer to this is 1600