3 years ago

7. (07.05 LC) What is the value of x in the equation −x = 4 − 3x + 6? (5 points) 5 10 −5 −10

Mathematics

2 answers:

Lelechka [254]3 years ago

5 0

Answer:

Step-by-step explanation:

-x = 4 - 3x + 6

3x-x = 4 + 6

2x = 10

x = 5

Bingel [31]3 years ago

4 0

Answer:

x=5

Step-by-step explanation:

-x = 4 - 3x + 6 original equation

-x = 10 -3x added 4 and 6

2x = 10 added 3x to both sides

x = 5 divided 10 and 2x by 2

x=5

You might be interested in

There are 10 marbles in a bag. 1/5 are red and the others are blue. What is the ratio to blue marbles.

Irina-Kira [14]

Answer:

Ratio = 1 : 4

Step-by-step explanation:

Total marbles = 10

Given 1/5 is red, that is 1/5 of the total marbles are red

$\frac{1}{5} \ of \ 10 = \frac{1}{5} \times 10 = 2$

Therefore , 10 - 2 = 8 marbles are blue.

Ratio of red marbles to blue marbles

$\frac{2}{8} = \frac{1}{4} = 1 : 4$

4 0

2 years ago

The scale of a map is 7ft = 14.4 mi map: ________ ft actual: 24.6 mi

Inessa [10]

The answer to the question can be found by setting up a proportion such as 7/14.4=x/24.6 which gives you 11.9583 ft

8 0

2 years ago

Read 2 more answers

Robin puts 5/8 cups of water into her recipe. Noel puts 1/3 the amount of water that Robin puts in her recipe. How much water do

GrogVix [38]

You are going to subtract.
5/8 - 1/3 equals to 7/24

7 0

3 years ago

A small rural town has experienced growth at a rate of 50 people per year since 2000. If the population of the town in 2000 was

Sholpan [36]

Population = 50x + 600

7 0

3 years ago

Write the quadratic equation whose roots are -3 and 3 and whose leading coefficient is 5. (Use the letter x to represent the var

Bumek [7]

A(x - x₁)(x - x₂) = 0
a=5, x₁=-3, x₂ = 3

so:
5(x-(-3))(x-3)=0
5(x+3)(x-3)=0
5(x²-9) = 0
5x² - 45 = 0 ← answer

4 0

3 years ago