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mylen [45]
3 years ago
13

Solve each equation for the bold variable​

Mathematics
1 answer:
Phantasy [73]3 years ago
4 0

Answer:

y = 3 - 2x

Step-by-step explanation:

The goal is to isolate the y variable

In order to have y by itself (on one side of the equation or equal sign), we must move the other numbers and variables to the other side.

Since 2x is on the same side as y, we have to subtract it from both sides. Subtracting it cancels out the original 2x and leaves the equation to look like this:

y = 3 - 2x

Now the y is isolated

Another example:

-5x + y = 15

To isolate the y, we must cancel out the -5x. Add 5x to both sides. It will cancel out the -5x and bring it to the right side of the equation, resulting in:

y = 15 + 5x

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Subtract:<br> (-9z-7) – 11z
umka2103 [35]

Answer: -20z-7

Step-by-step explanation:

(-9z-7) – 11z

−9z−7−11z

 (-9z-11z)-7

-20z-7

Hope this helps, now you know the answer and how to do it. HAVE A BLESSED AND WONDERFUL DAY! As well as a great Valentines Day! :-)

- Cutiepatutie ☺❀❤

3 0
3 years ago
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X^2 + 10x + 25 = 0<br><br><br>I feel like I've tried everything and I just don't get it.
loris [4]
If you are factoring it you can factor it into (x+5)^2
8 0
3 years ago
Read 2 more answers
Help on this pleasee
Zina [86]

Answer: 40 degrees

Step-by-step explanation:

4 0
2 years ago
The length of a rectangle is twice its width.
zimovet [89]

Answer:

idc

Step-by-step explanation:

3 0
2 years ago
How can you show that two objects are proportional with a table?
vredina [299]
So this is our table:

               -----------------
x-values | a b c d e f  |
               -----------------
y-values | g h  i  j k l   |
               -----------------

You can know that the values in the table are proportional if:

\frac{a}{g}=\frac{b}{h} =\frac{c}{i}=\frac{d}{j}=\frac{e}{k}=\frac{f}{l}

Hope that helps :)
5 0
2 years ago
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