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Studentka2010 [4]
4 years ago
11

What is 4(5n-7)=10n+2?variables on both sides

Mathematics
1 answer:
forsale [732]4 years ago
3 0

Example:

About "Solving equations with variables on both sides"

Solving equations with variables on both sides :

To solve equations with variables on both sides, we have to bring the variables to the left side of equal sign and the numbers which or not having the variables, that is constants to the right side of equal sign.

Solving Equations with Variables on Both Sides - Steps

Step 1 :

Use the Distributive Property to remove the grouping symbols.

Step 2 :

Simplify the expressions on each side of the equals sign.

Step 3 :

Use the Addition and/or Subtraction Properties of Equality to get the variables on one side of the equals sign and the numbers without variables on the other side of the equals sign.

Step 4 :

Simplify the expressions on each side of the equals sign.

Step 5 :

Use the Multiplication or Division Property of Equality to solve.

If the solution results in a false statement, there is no solution of the equation.

If the solution results in an identity, the solution is all numbers.

Solving Equations with Variables on Both Sides -Examples

Example 1 :

Solve the following equation. Then check the solution.

5t - 9  =  -3t + 7

Solution :

5t - 9  =  -3t + 7

In order to get rid of -3t, we have to add 3t on both sides.

5t + 3t - 9  =  -3t + 3t + 7

8t - 9  =  7

In order to get rid of -9, add 9 on both sides

8t - 9 + 9  =  7 + 9

8t  =  16

Divide by 8 on both sides

8t/8  =  16/8

t  =  2

Hope this helps you understand better!

(It is not the answer but it is an example so hope this helps and please give me Brainliest)

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In the figure, d, e, and f, are parallel lines. What is the value of x?
Aleks04 [339]

Answer:

x=150

Step-by-step explanation:

Since f is flat, that means that the total degrees will equal 180°.

Therefore, because of the 60° and (x-30)° angles being supplementary angles, 60+x-30 will equal 180.

60+x-30=180\\30+x=180\\x=150

5 0
3 years ago
What are 3 numbers whose product is about 9,000
Mice21 [21]
There are an infinite number of 3 number sets that will equal 9000, unless your looking for whole numbers.

If you want to find a set of whole numbers, first break 9000 into its factors:

5 * 5 * 5 * 3 * 3 * 2 * 2 * 2 = 9000

Now to find a set of 3 numbers, just combine some of the factors.
For example:

(5 * 5 * 5) * (3 * 3) * (2 * 2 * 2) = 9000
125 * 9 * 8 = 9000
6 0
3 years ago
1/2,2/5,6/10 list from least to greatest
faust18 [17]

The Answer: 2/5, 1/2, 6/10.

7 0
3 years ago
Can someone help me with these 2 problems pls
Debora [2.8K]

Answer:

53.58°

Step-by-step explanation:

SOHCAHTOA

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A= acos(19/32(

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5 0
3 years ago
Read 2 more answers
Use the given endpoint R and the midpoint M of segment RS to find the coordinates of the other endpoint S. (Hint: Use the midpoi
zimovet [89]

Using the given endpoint R  (8,0)and the midpoint M (4,-5) , the other endpoint S is (0,-10)

Explanation :

Use the given endpoint R and the midpoint M of segment RS

R (8, 0 ) and M (4, -5 )

Let 'S' be (x2,y2)

Apply the midpoint formula

(\frac{x_1+x_2}{2},\frac{y_1+y_2}{2} )\\

Endpoint R is (x1,y1) that is (8,0)

Substitute the values and make it equal to M(4,-5)

(\frac{x_1+x_2}{2},\frac{y_1+y_2}{2} )\\\\(\frac{8+x_2}{2},\frac{0+y_2}{2} )=(4,-5)\\\\\frac{8+x_2}{2}=4\\8+x_2=8\\x_2=8-8=0\\x_2=0\\\\\\\frac{0+y_2}{2} =-5\\y_2=-10

So other endpoint S is (0,-10)

Learn more : brainly.com/question/16829448

8 0
3 years ago
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