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3 years ago

7x+3x+3=4x+6 what is x

Mathematics

2 answers:

vovikov84 [41]3 years ago

7 0

Answer:

x = 1/2

Step-by-step explanation:

Simplify the sides of the equation...

10x + 3 = 4x + 6

Subtract 3 from both sides...

10x = 4x + 3

Subtract 4x from both sides...

6x = 3

Divide by 6

x = 1/2

Thank me later :)

(or just give brainliest)

Sedbober [7]3 years ago

3 0

Answer:

x= 1/2

Step-by-step explanation:

First, combine the x terms on both sides of this equation:

10x + 3 = 4x + 6

Next, combine like terms, obtaining 6x = 3.

Dividing both sides of this equation by 6, we get x = 1/2

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Step-by-step explanation:

Statement. Reason

→ 9(x-6)+41 = 75. Transposing the like terms.

→ 9(x-6) = 75 - 41 Performing subtraction of the term in RHS

→ 9(x-6) = 34 Performing multiplication in LHS.

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→ 9x = 88. Now, transpose 9 from LHS to RHS , it's arthmetic operator will get changed.

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2 years ago

Triangle DEF (not shown) is similar to ABC shown, with angle B congruent to angle E and angle C congruent to angle F. The length

Bezzdna [24]

Answer:

Area of ΔDEF is $45\ cm^2$ .

Step-by-step explanation:

Given;

ΔABC and ΔDEF is similar and ∠B ≅ ∠E.

Length of AB = $2\ cm$ and

Length of DE = $6\ cm$

Area of ΔABC = $5\ cm^2$

Solution,

Since, ΔABC and ΔDEF is similar and ∠B ≅ ∠E.

Therefore,

$\frac{Area\ of\ triangle\ 1}{Area\ of\ triangle\ 2} =\frac{AB^2}{DE^2}$

Where triangle 1 and triangle 2 is ΔABC and ΔDEF respectively.

If two triangles are similar, then the ratio of the area of both triangles is proportional to the square of the ratio of their corresponding sides.

$\frac{5}{Area\ of\ triangle\ 2} =\frac{2^2}{6^2}\\ \frac{5}{Area\ of\ triangle\ 2}=\frac{4}{36}\\ Area\ of\ triangle\ 2=\frac{5\times36}{4} =5\times9=45\ cm^2$

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