1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Gnom [1K]
3 years ago
9

What is 30=8+4(z-2) step by step?

Mathematics
1 answer:
Stolb23 [73]3 years ago
7 0

30=8+4(z-2)

Distribute 4 through the parentheses

30=8+4z-8

Eliminate the opposites

30=4z

Swap the sides of the equation

4z=30

Divide both sides of the equation by 4

4z÷4=30÷4

Any expression divided by itself equals 1

z=30÷4

or write the division as a fraction

z=30/4

copy the numerator and denominator of the fraction

30=2x3x5

4=2x2

Write the prime factorization of 30

Write the prime factorization of 4

30=2          x3x5

4=2x2

    2

Line up the common factors in both lists

Copy the common factors

Since there is only one common factor, the common factor 2 is also the greatest common factor

30÷2/4÷2

  2

Divide 30 and 4 by the greatest common factor 2

15/4÷2

Divide the numbers in the numerator

15/2

Divide the numbers in the denominator

15/2

The simplified expression is 15/2

That's it. hope it wasn't too hard to understand?

You might be interested in
What number does stand for in this equation? 6x3=(x5)-(x2)
MissTica

Answer:

the answer is 6

Step-by-step explanation:

6×3=18

So 6×5=30, 6×2=12

30-12=18

18=18

3 0
3 years ago
Please help I'll give brainliest​
SIZIF [17.4K]

Answer:

y + 1 = 4(x - 2)

y = 4x + 11

8x - 2y = 6

Step-by-step explanation:

Following equations are parallel to the graph 4x - y = 6, because their slopes are equal (4).

y + 1 = 4(x - 2)

y = 4x + 11

8x - 2y = 6

8 0
3 years ago
Evaluate the expression when x=3 , y=−4 , and z=−6.<br> z−2x/y
hichkok12 [17]

Answer:

9/2

distribute the value of x,y, and z, on the given questions, and then you do multiplication, next addition, lastly lowest term.

6 0
3 years ago
The vertices of triangle QRS have coordinates Q(1, −2), R(3, −2), and S(2, −4).
Mamont248 [21]
The vertices of triangle QRS have coordinates Q(1, −2), R(3, −2), and S(2, −4). The coordinates are the coordinates of the vertices of triangle QꞌRꞌSꞌ when triangle QRS is reflected across the x-axis <span>Qꞌ(1, 2), Rꞌ(3, 2), Sꞌ(2, 4). The answer is  letter B.</span>
6 0
3 years ago
What is negative 1 plus 1 3rd equal to​
solniwko [45]

Answer:

-2/3(negative two over three)

Step-by-step explanation:

-1+1/3 we cross multiply,which will be-3+1/3 =2/3

dose that make sense???

6 0
3 years ago
Other questions:
  • Which triangles are similar?
    14·1 answer
  • G(x)=3(x-4)plug in f(10)
    11·1 answer
  • A: AA<br> B: SAS<br> C: SSS<br> D: not similar <br> Please help!
    11·1 answer
  • Help please <br> x=6<br> x= square root 80<br> x=12<br> x= square root 164
    8·1 answer
  • The height of a plant, y, in centimeters, is measured x weeks after planting a seed. The height can be modeled by the regression
    13·1 answer
  • Simplify 2log5+5log2+3log3-3log6​
    8·1 answer
  • Find the perimeter. Simplify your answer.
    7·1 answer
  • Please help small brain melted
    8·1 answer
  • Help please (4th or 5th-grade math)
    13·2 answers
  • Need help anyone can help
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!