MATHEMATICS MIDDLE SCHOOL

Examine the equation.–3x + 18 = 7x

What could you do to isolate the variable term to one side of the equation?

Answers

Answer 1
Answer:

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- 3x + 18 = 7x

7x = - 3x + 18

Add sides 3x

+ 3x + 7x = + 3x - 3x + 18

10x = 18

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Answer 2
Answer:

Answer:

10x + 18

You cancel out the lowest variable term to only have one variable term.

Step-by-step explanation:

-3x+3 then do 7x+3

10x + 18

You cancel out the lowest variable term to only have one variable term.

Tell me if it works.

Hope it helped.

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Sin 300° = 2 sin 150° cos 150° use exact values to show it is true​
Hat is the solution to the equation 3/3(4c + 16)=2c+9 ? c =

Find the balance on a deposit of $1,150 that earns 9% interest compounded annually for 2 years.

Answers

I don't have a calculator on me but the sum is 1150 x 1.09(2)

By (2) I mean 1.09 squared or to the power of two.

Solve log4 +(x+2) =1

Answers

x = -5

so now all u have to do is put

4+(-5 + 2)=1

and now u have your answer

if 3 is added to a number and the sum is tripled, the result is 19 more than the number. find the number

Answers

Answer:

The number is 5

Step-by-step explanation:

if 3 is added to a number and the sum is tripled, the result is 19 more than the number

(n+3) *3 = n+19

Distribute the 3

3n +9 = n+19

Subtract n from each side

3n-n +9 = n-n+19

2n +9 = 19

Subtract 9 from each side

2n+9-9 = 19-9

2n =10

Divide by 2

2n/2 =10/2

n=5

The number is 5

Answer:

(x + 3)·3 = x + 19 --> x = 5

Can someone show me the graph and domain and range for this piece wise function?

Answers

For the graph you can use Desmos and for both you can use Wolfram Alpha

Adena has a number cube labeled 1 through 6. She rolls the number cube 3 times. What is the probability that she will roll a 2, then 3, and then a 4?

(has to be a fraction)

I think it is 1/216

Answers

1 1/2  You have to add 2/6 + 3/6 +4/6= 9/6= 1 1/2

how do you solve this problem what do you put on the empty boxes and graph please help me ASAP thanks in adavance

Answers

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then in each row you have (x,y) , so plot them on the graph and you will get a line
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