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telo118 [61]
3 years ago
12

The -30 is the one I need help on

Mathematics
1 answer:
Genrish500 [490]3 years ago
6 0

First you want to lay out the equation:

1. -30 = w + 8

Next you want to subtract 8 from each side

2. -30 = w + 8

     -8 = w - 8

Then you want to add -30 and -8

3. -30 + -8 = -38

This is your answer

4. -38 = w

Or this could be written as:

5. w = -38

You might be interested in
2. The difference of two numbers is 3. Their sum is 13. What are the two numbers?
kkurt [141]

Answer:

The two numbers are x = 8 and y = 5

Step-by-step explanation:

Let the two numbers be x and y

The difference of two numbers is 3 is represented as:

x - y = 3------------------Equation 1

Their sum is 13 is represented as:

x + y = 13----------------Equation 2

x - y = 3------------------Equation 1

Using method of Elimination by subtracting Equation 1 from Equation 2

x-x + y-(-y) = 13 - 3

2y = 10

y = 10/2

y = 5

Substituting y = 5 in Equation 2

x + 5 = 13

x = 13 - 5

x = 8

∴ The two numbers are x = 8 and y = 5

8 0
2 years ago
11.
ASHA 777 [7]

Answer:

148-13=135

4x+13= -  3.25

6x+2 = - 0.33

Step-by-step explanation:

1) SIMPLE SUBTRACTION

 148

-   13

---------

135

---------

2)

4x+13=0

4x= - 13

x= -13/4

x= - 3.25

3)

6x+2 = 0

6x= -2

x= -2/6

x = -0.33

8 0
3 years ago
What is the rule when finding the sum of numbers from 1-100?
Sphinxa [80]

Answer:

Step-by-step explanation:

Sum of 1 through 100 = 100×(1+100)/2

6 0
3 years ago
What is the square root of 144?
Andrews [41]

Answer:

12, -12

Step-by-step explanation:

sqrt(144)

What number times itself = 144


12*12 = 144

Also -12*-12 = 144


6 0
3 years ago
Read 2 more answers
5,510 divided by 56 equals
Bond [772]
5,510 divided by 56 equals 98.392
3 0
3 years ago
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