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3 years ago

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

Mathematics

2 answers:

sergejj [24]3 years ago

8 0

The value of x in the equation x – y = 30 is 45, when y = 15.

Andrei [34K]3 years ago

3 0

x - y = 30
x - 15 = 30
+ 15 + 15
x = 45
(x, y) = (45, 15)

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2 years ago

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3 years ago

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Soloha48 [4]

Answer:

$3.\ \dfrac{3x}{11x}, \dfrac{6}{22}, \dfrac{9}{33},\dfrac{12}{44}$

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Step-by-step explanation:

Solution 3:

Equivalent fractions to are to $\frac{3}{11}$ be found out.

Method: By Multiplying both the denominator and numerator with the same number, we can easily find equivalent fractions.

1. Multiply with 2:

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2. Multiply with 3:

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3. Multiply with 4:

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If we try to write in variable form, it can be written as:

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Solution 4:

$(2x-10)$ when $x=-4$

$2 \times (-4) -10\\\Rightarrow -8 -10\\\Rightarrow -18$

------------

Solution 5:

$(10a)^2, a=-2\\\Rightarrow \{10 \times (-2)\}^2\\\Rightarrow (-20)^2\\\Rightarrow 400$

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