3 years ago

3(x+5)+x=7 What is X?

Mathematics

2 answers:

Fittoniya [83]3 years ago

7 0

Answer:

x = -2

Step-by-step explanation:

3(x+5) + x = 7 --> deal with parenthesis

4x + 15 = 7 --> subtract 15 from both sides

4x = -8

x = -2

Makovka662 [10]3 years ago

3 0

Answer:

x = -2

Step-by-step explanation:

You might be interested in

Simplify:............

Aleks [24]

$- \frac{4 {m}^{2} }{1 + {m}^{4} + {m}^{8} }$

is your answer

3 0

3 years ago

Read 2 more answers

16 of 3

Nataliya [291]

107 m

Step-by-step explanation:

Step 1:

Here the microscope magnifies by 10 times.

The initial length is 10.7 m

Step 2:

Let the object be magnified by 10 times . Then, 10 × 10.7 = 107

5 0

3 years ago

Which data set could be represented by the box plot shown below?

ollegr [7]

It he answer is B ......

7 0

3 years ago

Find the coefficient of x2 in (3x2 – 5) (4 + 4x2), expand using algebraic expressions and answer

Scilla [17]

Answer:

- 8

Step-by-step explanation:

Given

(3x² - 5)(4 + 4x²)

Each term in the second factor is multiplied by each term in the first factor, that is

3x²(4 + 4x²) - 5 (4 + 4x²) ← distribute both parenthesis

= 12x² + 12 $x^{4}$ - 20 - 20x² ← collect like terms

= 12 $x^{4}$ - 8x² - 20

The coefficient of the x² term is - 8

7 0

4 years ago

Express the angle in radian measure. 60°

Strike441 [17]

Pi radians =180 degrees:

<span>That is, π rad = 180°
</span>
60° in radian measure = 60° × π / 180°

60° × π / 180° = 1/3 π rad
= 0.33333333333π rad
= 1.0471975512 rad

7 0

3 years ago