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Julli [10]
3 years ago
11

Help. I am trying to solve these questions in math called ‘Two Step Equations’. I need answers

Mathematics
2 answers:
Aleks04 [339]3 years ago
8 0
1. x = -7
2. y = -1

For number 1:

Plus five both side of the equation and you get -3x = 21

Divide -3 both side and you get x = -7

For number 2:

Multiply -4 by y and -2 .... you get -4y + 8 = 12

Minus 8 side of the equation and you get -4y = 4

Divide by -4 both sides and you get y = -1
saveliy_v [14]3 years ago
4 0

Answer:

1. x= -7

2. y= -3.5

Step-by-step explanation:

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Veseljchak [2.6K]

Answer:

Step-by-step explanation:

6+3+3=15n

3+33-2=34

34-15=19n

7 0
3 years ago
How do u solve 5x+3=4 <br> Y=-3x
kogti [31]
The information from the first equation gives you the information needed for the second. To solve the first equation you must rearrange the equation to isolate X. In order to do that you can first move the 3 to the other side of the equation by subtracting it from both sides (5x + 3 - 3 = 4 - 3) and then simplify that to (5x = 4 - 3) and further to (5x = 1). Then to move the 5 you must divide both sides by 5 so you get (5x/5 = 1/5) which can be simplified to (x = 1/5)

From this you can use the X value and input it into the second equation
Y = -3(1/5) and then solve for Y.

Hope this helps!
6 0
3 years ago
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4 years ago
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a recipe for 18 meatballs cost for 2 oz of cheese Reese's make a 90 meatballs for a community dinner and have 7 oz of cheese how
igor_vitrenko [27]

Answer:

3 oz of cheese.

Step-by-step explanation:

18 meatball = 2 oz of cheese (Half it)

9 meatballs = 1 oz of cheese (times it by 10)

90 meatballs = 10 oz of cheese (-7 oz of cheese)

She needs 3 oz of cheese more

3 0
3 years ago
For her phone service, Lucy pays a monthly fee of $25, and she pays an additional $0.06 per minute of use. The least she has bee
Oliga [24]

Answer:

1312.5 minutes

Step-by-step explanation:

For her phone service, Lucy pays a monthly fee of $25, and she pays an additional $0.06 per minute of use. The least she has been charged in a month Is $103.72

What are the possible numbers of minutes she has used her phone in a month?

Use m for the number of minutes, and solve your inequality for m.

The term least = ≥ = greater than or equal to

Our inequality equation is given as:

$25 + $0.06 × m ≥ $103.72

25 + 0.06m ≥ 103.72

0.06m ≥ 103.72 - 25

0.06m≥ 78.75

m ≥ 78.75/0.06

m ≥ 1312.5 minutes

The possible number of minutes she used is 1312.5 minutes

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3 years ago
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