To solve the value of x in the above equation, here are the steps.
1. Subtract 13 on both sides of the equation.
2. Divide both sides of the equation by 4.
3. Get the square root on both sides of the equation.
The possible values of x are +3 and -3. The smaller value is -3.
Answer:
45 words per minute!
Step-by-step explanation:
Divide 900 by 20!
Answer:
D - x = 19 x = -17
Step-by-step explanation:
Factor the equation to make the problem easier - you should have this:
(x - 18) (x + 18) = 1
Set each binomial to 1:
x - 18 = 1
x + 18 = 1
This should give you x = 19 and x = -17