3 years ago

Solve for a :4a-7=5a+1

Mathematics

2 answers:

abruzzese [7]3 years ago

6 0

Answer:

A= -8

Step-by-step explanation:

Subtract 5a from both sides.

Combine 4a and −5a to get −a.

Add 7 to both sides.

Finally, Multiply both sides by −1.

Pls mark brainliest.

yanalaym [24]3 years ago

6 0

Answer:

a = -8

Step-by-step explanation:

4a - 7 = 5a + 1

subtract 1 from both sides of the equation

4a - 7 - 1 = 5a + 1 - 1

4a - 7 - 1 = 5a

4a - 8 = 5a

subtract 4a from both sides of the equation

4a - 4a - 8 = 5a - 4a

-8 = 5a - 4a

-8 = 1a

-8 = a

You might be interested in

7. What is 45% of 115? Show your work.

olchik [2.2K]

45/100 × 115 = 51.75...........

6 0

3 years ago

Read 2 more answers

Find the length of a diagonal of a square with sides of 14 feet long. [?][feet /

inessss [21]

Answer:

14√2 feet

Step-by-step explanation:

The length of a diagonal of a square is $L=S\sqrt{2}$ where $S$ is the side length of the square. Therefore, $L=14\sqrt{2}$ .

4 0

3 years ago

The approval of a new drug application (NDA) by the FDA allows for which of the following?

Lera25 [3.4K]

A the manufacturer is allowed to sell the drug in the united states
hope it helped

5 0

3 years ago

What is the tangent ratio of angle KJL?

ivann1987 [24]

Answer: (1)

Step-by-step explanation:

Using the properties of a 30 60 90 triangle, we get that ML=24sqrt3 and JM=24.

This means that the tangent is 24sqrt3 / 24.

7 0

2 years ago

The cost of a phone call at a hotel is determined by the formula

dimulka [17.4K]

C = $5.85

$5.85 = 0.35t + 0.6
-.6 -.6

$5.25 = 0.35t
------- --------
.35 .35

15 = t

15 minutes

8 0

3 years ago