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Liula [17]
2 years ago
9

Erica bought 4 shirts at the store, all at the same price. The tax on his purchase was $9, and

Mathematics
2 answers:
Ne4ueva [31]2 years ago
6 0

Answer:

$28

Step-by-step explanation:

Firstly you subtract 9 from 121 which then you would get 112. You get that answer and divide it by 4 (the number of shirts) in turn giving you the final answer: 28

frutty [35]2 years ago
4 0

Answer:

i dont know but this is just a random reply so i have points to answer a question that i really help with!

Step-by-step explanation:

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katrin [286]

Answer:

answer is 24

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24+10=singing

only 24=dancing

so 24 girls joined both

3 0
3 years ago
Use substitution to solve the following system of equations. What is the value of y?
koban [17]
The answer is C. I solved for the first variable in one of the equations then substitute the result into the other equation.
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2 years ago
How do i solve for the x????
Tpy6a [65]
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Read 2 more answers
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sergejj [24]

Step-by-step explanation:

The correct numbers are

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7 0
2 years ago
Read 2 more answers
Hi!
goblinko [34]
You can always add or subtract same value to/from both sides of equation. The same is true about multiplication and division.

In your case you have to subtract x from both sides of equation in order to get rid of it on the left side:
x+2y-x=8-x
2y=8-x

But it's easier to remember that if you want to move some member of equation to other side, you just have to change it's sign. Let's practice a bit using your equation (I have added "plus" signs where they are usually omitted to better understend what's going on):
+x+2y=+8

Move 2y to the right side:
+x=+8-2y

Move 8 to the left side:
+x+2y-8=0

Move both x and 2y to the right side:
0=8-x-2y
8 0
3 years ago
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