3 years ago

Solve 77 = -7x using one step equations

Mathematics

2 answers:

fgiga [73]3 years ago

4 0

Answer:

x=-11

Step-by-step explanation:

Divide both sides by -7, and you get -11

Dafna11 [192]3 years ago

3 0

Answer:
77= -7x
77/-7= x
-11=x
X=-11
Explain: you have to pass the -7 to the other side dividing

You might be interested in

What is 871 rounded to the nearestten

monitta

871 is closer to 870 than 880, so the answer is 870

4 0

3 years ago

Read 2 more answers

The ages of three children in a family can be expressed as consecutive integers. The square of the age of the youngest child is

tensa zangetsu [6.8K]

Answer: 10, 11, & 12

<u>Step-by-step explanation:</u>

Let x represent the age of the youngest child.

Their ages are consecutive so,

Youngest: x

Middle: x + 1

Oldest: x + 2

The age of the Youngest squared (x²) equals 8 times the Oldest [8(x + 2)] plus 4.

x² = 8(x + 2) + 4

x² = 8x + 16 + 4

x² = 8x + 20

x² - 8x - 20 = 0

(x - 10)(x + 2) = 0

x - 10 = 0 or x + 2 = 0

x = 10 or x = -2

Since age cannot be negative, x = -2 is not valid

So, the Youngest (x) is 10

the Middle (x + 1) is 11

and the Oldest (x + 2) is 12

4 0

3 years ago

Sophie wants to determine if her seventh grade class wants to watch an action, horror, or drama movie. Which sampling method wou

lana66690 [7]

I think it would be B

7 0

3 years ago

Determine whether the function below is an even function, an odd function, both, or neither.

kari74 [83]

All of the powers of x here are even, so the function f(x) is even. Note that 19 = 19x^0 = 19(1) = 19

6 0

3 years ago

Finding the original price given the sale price and percent...

bulgar [2K]

Answer:

$325

Step-by-step explanation

78% is 234

x is 100%

cross multiply

$\frac{234}{72}$ = $\frac{x}{100}$

234 × 100 = 72x

23400 = 72x

23400÷72 =72x ÷72

325 = x

4 0

3 years ago