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garik1379 [7]
3 years ago
12

• How do I isolate a variable?

Mathematics
2 answers:
irga5000 [103]3 years ago
8 0
Depends on the question but you generally must use a variety of operations to isolate the variable by itself on one side of the equation
WITCHER [35]3 years ago
3 0

Answer:

It means to get the variable by itself. Isolating the variable means rewriting an equivalent equation in which the variable is on one side of the equation and everything else is on the other side of the equation. Hope this helps.

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WILL MARK BRAINLIST
hammer [34]

2x +y = 20~~....(i)\\\\6x -5y = -4~~....(ii)\\\\\\\text{Multiply equation (i) by 3:}\\\\6x +3y = 60~~...(iii)\\\\(iii)-(ii):\\\\6x+3y - 6x+5y = 60-(-4)\\\\\implies 8y = 60+4 = 64\\\\\implies y = \dfrac{64}8\\\\\implies y = 8\\\\\\\text{Substitute y =8 in equation (i):}\\\\2x+8 =20\\\\\implies 2x = 20-8 = 12\\\\\implies x = \dfrac{12}2 = 6\\\\\text{Hence (x,y) = (6, 8)}

4 0
2 years ago
Read 2 more answers
You know that a number 8 less than 60 is the number 52. so, you could rewrite your answer from the previous part as, "what numbe
svetoff [14.1K]
I'm a little confused by your question. 

You said 60-8 = 52 which is true.

Then, you asked 4x = 52 in an integer form
                           x = 52/4
                           x = 13. (Is that what you're asking?)

I'm not sure if this helps, but please comment if you need any help! Hope this helps though! :D
4 0
3 years ago
Help me please I don’t understand
balandron [24]
I think it is B since you and 15% of income and then add 10% tax
5 0
3 years ago
Solves this system of equations by using the elimination method
yuradex [85]
X should equal 6 and y should equal -9
8 0
3 years ago
ASAP! GIVING BRAINLIEST! Please read the question THEN answer correctly! No guessing. Show your work or give an explaination.
Kisachek [45]

Answer: The answer is C

Step-by-step explanation:because 4x+1 = to the one above

6 0
3 years ago
Read 2 more answers
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