3 years ago

Solve the equation : 3x - 2 = 4x + 5How many solutions are there?

Mathematics

2 answers:

Nookie1986 [14]3 years ago

8 0

Answer:

one solution

Step-by-step explanation:

Given

3x - 2 = 4x + 5 ( subtract 4x from both sides )

- x - 2 = 5 ( add 2 to both sides )

- x = 7 ( multiply both sides by - 1 )

x = - 7 ← the one solution

VARVARA [1.3K]3 years ago

4 0

Answer:

<h2>one solution, x = -7</h2>

Step-by-step explanation:

$3x-2=4x+5\qquad\text{add 2 to both sides}\\\\3x-2+2=4x+5+2\\\\3x=4x+7\qquad\text{subtract}\ 4x\ \text{from both sides}\\\\3x-4x=4x-4x+7\\\\-x=7\qquad\text{change the signs}\\\\x=-7$

You might be interested in

Translate the following phrase into an algebraic expression. Use the

marissa [1.9K]

Answer:

8+n/3

Step-by-step explanation:

$\frac{8+n}{3}$

8 0

3 years ago

The amount of money Kelly earns is proportional to the number of hours she works. Kelly earns $32.40 working 4 hours. Create an

UkoKoshka [18]

She earns 32.40 for working 4 hrs.....32.40/4 = 8.10 per hr

y = 8.10h...where y is the amount of money earned and h is the number of hrs worked

4 0

3 years ago

Jenna's class brought in 40 pieces of fruit for a celebration and 32 pieces of fruit were eaten. What percentage of the fruit wa

Pepsi [2]

Answer:

20%

Step-by-step explanation:

40 pieces total

32 pieces eaten

40 - 32 = 8

8 pieces not eaten

Percentage = (part / whole) x 100%

Percentage = (8 / 40) x 100% = 0.2 x 100%

Percentage = 20%

4 0

2 years ago

Read 2 more answers

Walter pays $2.53 to ship a package

Ivan

Answer:

what is the rest of the equation?

Step-by-step explanation:

7 0

3 years ago

The double number lines show the ratio of minutes to days.

lianna [129]

2880 minutes are in 2 days

5 0

3 years ago

Read 2 more answers

Solve the equation : 3x - 2 = 4x + 5How many solutions are there?​

Solve the equation : 3x - 2 = 4x + 5How many solutions are there?