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bixtya [17]
2 years ago
13

What is the value of x in the equation 1x - y = 30, when y= 15?

Mathematics
2 answers:
enot [183]2 years ago
4 0

Replace y with 15

The equation is now:

1x - 15 = 30

Add 15 to both sides:

1x = 45

Divide both sides by 1

X = 45

Margarita [4]2 years ago
3 0

Answer: X = 45

Step-by-step explanation:

1x - 15 = 30

add 15 to both sides

1x = 30 + 15

1x = 45

then you have to seperate the 1 from the x, so divide 1 from both sides

45 divided by 1 = 45

so the answer is x = 45

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A length of string that is 240 cm long is cut into three pieces the second piece is 25% longer than the first piece the third pi
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Hey there,
Let's say that the first piece is x cm
1st = x
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100% = 240 cm
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3x = 100
3x = 240 cm
x = 240 / 3
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2nd piece = 80 + (25% x 80)
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3rd piece = 80 cm - (25% x 80)
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Hope this helps :))

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Step-by-step explanation:

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