3 years ago

-7-2x=7(x+8) What is the answer for this expression

Mathematics

1 answer:

sertanlavr [38]3 years ago

7 0

Answer:

x=-7

Step-by-step explanation:

1. Distribute the 7 into the parenthesis: -7-2x=7x+56

2. Combine like terms by doing the opposite operation to the numbers: -7=9x+56 (added 2x to 7x)

3. Subtract 56 to each side of the equation: -63=9x

4. To isolate the variable "x," divide each side by 9: x=-7

You might be interested in

Is f(x) a function?

Mila [183]

Yes as that is the function notation in play. a function of x.

5 0

3 years ago

In finding the solution of the equation

Aneli [31]

Answer:

For any depth y, y, the width will be given by 2 x, 2 x, so we need to solve the equation above for x x ... 2 − 3 Add 3 to both sides. x + 3 = (y − 2) 2 ... .4 n 100 + n represents the concentration C C of an acid solution after n n mL of 40% solution has been added to 100 mL of a 20% solution. First, find the ..

Step-by-step explanation:

7 0

3 years ago

Plz helpp. In a high school with 5,000 students, the number of text messages sent by each student during a particular month was

vampirchik [111]

Answer:

A) 800

Step-by-step explanation:

I am on a challenge and I need points plus you told me

8 0

3 years ago

Can someone help me!!!