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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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Y = -x + 3<br> y = x + 5
Gnom [1K]

Answer:

x = -1, y = 4.

Step-by-step explanation:

y = -x + 3

y = x + 5      Adding these 2 equation eliminates x:

2y = 0 + 8

y = 8/2 = 4.

Substituting for x in the first equation:

4 = -x + 3

4-3 = -x

1 = -x

x = -1.

7 0
3 years ago
Ron walked 8/10 mile from his grandmother's house to the store then store. Then he walked 9/10 mile to his house. About how far
andrey2020 [161]

Answer:

The total distance he walked was 17/10 miles or 1.7 miles.

Step-by-step explanation:

Ron's walk was divided into two parts, one that goes from his grandmother's house to the store and then from the store to his house. The total distance that he walked is given by the sum of the two separate parts, so in order to calculate how far he walked we will do as follows:

Total distance = 8/10 + 9/10

Total distance = 17/10 mile = 1.7 miles

The total distance he walked was 17/10 miles or 1.7 miles.

5 0
3 years ago
Read 2 more answers
Pls help this is easy but I a ton of stuff I need to do
cestrela7 [59]

Answer:

x = 4

Explanation:

2 + 2 + 2 = 6

18 - 6 = 12

12 ÷ 3 = 4

4 = x

x = 4

4 0
3 years ago
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Find the slope given the points (2, −7) and (−1,<br> 6).
lesya [120]

Answer:

The Slope= -13/3

y-intercept= (0,5/3)

Step-by-step explanation:

m= change in y/change in x

m= y2-y1/x2-x1

m=6-(-7)/ -1-(2)

m=-13/3

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