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elena-14-01-66 [18.8K]
3 years ago
7

What is the x value for 21x+7y=42

Mathematics
2 answers:
xz_007 [3.2K]3 years ago
6 0

Step-by-step explanation: The letter "x" is often used in algebra to mean a value that is not yet known. It is called a "variable" or sometimes an "unknown". In x + 2 = 7, x is a variable, but we can work out its value if we try!

Andreyy893 years ago
5 0
The value of X is 1.66 repeated ?
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I need help with mathcan someone plzz help me
xz_007 [3.2K]

Answer:

what is the question

Step-by-step explanation:

3 0
2 years ago
Complete the following statement.<br><br> ___ (-9) = -10
g100num [7]
Answer:

-1

Explanation:

X - 9 = -10
+9 +9
——————
X = -1
3 0
3 years ago
What is the x coordinate of the solution? <br> What is the y coordinate of the solution?
Alexus [3.1K]

Answer:

the x coordinate is 1

the y coordinate is 1

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
I REALLY NEED HELP im struggling please show how to do it show WORK please. no links
Oksana_A [137]

Answer:

h=3

Step-by-step explanation:

I divided -3.6 on both sides to get h by itself, and now I have h=-3.6/-10.8. combine like terms (-3.6/-10.8) and I got 3. My final answer would be h=3

6 0
2 years ago
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puteri [66]

Answer:

7.20

Step-by-step explanation:

triangle is right triangle so other leg of first is 12

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7 0
2 years ago
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