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xenn [34]
3 years ago
13

amy earns $15 per week for doing chores around the house. write and solve an equation that determines how many weeks she needs t

o do chores to earn $105
Mathematics
2 answers:
anastassius [24]3 years ago
8 0

Answer:

7

Step-by-step explanation:

105 \div 15 is 7.

Furkat [3]3 years ago
4 0

Answer:

15 x 7 =105

Step-by-step explanation:( Amy needs to do chores for 7 weeks and she can earn 105 dollars) BRAINLIEST PLZZ

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Solve the system 3x+y=2 5x-y=8
Citrus2011 [14]

Answer:

x= 5/4 ; y= -7/4

Step-by-step explanation:

I will solve your system by substitution.

(You can also solve this system by elimination.)

3x+y=2;5x−y=8

Step: Solve3x+y=2for y:

3x+y+−3x=2+−3x(Add -3x to both sides)

y=−3x+2

Step: Substitute−3x+2foryin5x−y=8:

5x−y=8

5x−(−3x+2)=8

8x−2=8(Simplify both sides of the equation)

8x−2+2=8+2(Add 2 to both sides)

8x=10

8x

8

=

10

8

(Divide both sides by 8)

x=

5

4

Step: Substitute

5

4

forxiny=−3x+2:

y=−3x+2

y=−3(

5

4

)+2

y=

−7

4

(Simplify both sides of the equation)

Answer:

x=

5

4

and y=

−7

4

3 0
3 years ago
13 add 2x equals 3 what does x equal??
Anastasy [175]
13 + 2x = 3
subtract 13 from both sides of the equation
2x = -10
divide by 2 on both sides 
x = -5
5 0
3 years ago
Read 2 more answers
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Sergio [31]

Answer:

1) 2Y+X=5

2) 5X-Y=3

6 0
3 years ago
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