I am in algebra I too. what do you want to know. text me on message and I will explain it to you. do you agree?
"Isolate the constant by adding 7 to both sides of the equation."
This step separates the non-squareable 7 and the squareable
.
"Add 9 to both sides of
to form a perfect square trinomial while keeping the equation balanced."
After separating the non-squareable, add the number which makes the first or left side a perfect square trinomial. The formula to find the number is:
.
When we plug the values:
Simplify:
"Write the trinomial
as
squared."
When you factor
, you will get
.
"Use the square root property of equality to get
."
The 16 is coming from the part when we add 9. We needed 9 on the left side for a perfect square, but to protect the balance of the equality, we need to add 9 to the right side too. When we add 7 and 9, we got 16, and that is where it came from.
"Isolate the variable x to get solutions of -1 and 7."
To isolate x we branched the plus-minus sign:
165×((1−(1+0.033÷12)^(−12
×30))÷(0.033÷12))=37,675.08..wrong
145×((1−(1+0.033÷12)^(−12
×30))÷(0.033÷12))=33,108.40..wrong
185×((1−(1+0.033÷12)^(−12
×30))÷(0.033÷12))=42,241.76..wrong
155×((1−(1+0.033÷12)^(−12
×30))÷(0.033÷12))=35,391.75..correct
B. If Eduardo's monthly payment were $155, the amount of the loan that he is considering taking out would be less than $39,958.42
Answer:
x = -y + 7
or
x = 7 - y
Step-by-step explanation:
x + y = 7
Step 1: Subtract y from both sides to get x alone.
x + y = 7
-y -y
x = 7 - y
Since x is alone and y is a variable & not a number, there's nothing else to do to the equation.
Amber should’ve added -3 and 5 first instead of adding 5 and 4.