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andrey2020 [161]
3 years ago
6

PLSS HELPPP!!! I NEED THE ANSWER NOW !

Mathematics
1 answer:
shusha [124]3 years ago
4 0

The property used to arrive at line 2 is the additive property of equalities

The additive property of equalities states that for real numbers if x = y : then x + z = y + z  

For example if 2 = 2 , then 2 + 1 = 3

In order to arrive at line 2, x and 2x were added together to arrive at 3x

The distributive property was used to arrive at line. The property states that : x(1 + 2) = x + 2x

Subtractive property of equalities was used to arrive at line 3

To learn more, please check: brainly.com/question/10617252?referrer=searchResults

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Answer:

12 hours

Step-by-step explanation:

Let Theo's siste can paint a fence in x times

Given.

Theo can paint a fence three times as fast as his sister can. Working together, they can paint a fence in 9 hours.

\frac{1}{x}+\frac{1}{3x} =\frac{1}{9}\\\frac{3+1}{3x} =\frac{1}{9} \\\frac{4}{3x}=\frac{1}{9}

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Theo’s sister to paint the fence in 12 hours.

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Read 2 more answers
37= -3+5(x + 6) slove for x
lions [1.4K]
Step 1: Simplify both sides of the equation.
37
=
−
3
+
5
(
x
+
6
)
37
=
−
3
+
(
5
)
(
x
)
+
(
5
)
(
6
)
(Distribute)
37
=
−
3
+
5
x
+
30
37
=
(
5
x
)
+
(
−
3
+
30
)
(Combine Like Terms)
37
=
5
x
+
27
37
=
5
x
+
27
Step 2: Flip the equation.
5
x
+
27
=
37
Step 3: Subtract 27 from both sides.
5
x
+
27
−
27
=
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−
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=
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Step 4: Divide both sides by 5.
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5
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8 0
3 years ago
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