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Lubov Fominskaja [6]
3 years ago
11

PLEASE HELP!!

Mathematics
2 answers:
ruslelena [56]3 years ago
8 0
I'm sure your answer would be 21
trapecia [35]3 years ago
6 0
First, solve for x. Isolate the x. Do the opposite of PEMDAS.

2x + 4 = 8

Note the equal sign. What you do to one side, you do to the other.

subtract 4 from both sides

2x + 4 (-4) = 8 (-4)

2x = 8 - 4

2x = 4

divide 2 from both sides

2x/2 = 4/2

x = 4/2

x = 2

you know you're starting number now: 2

"then add it to two": 2 + 2 = 4
"then add it to ten": 4 + 10 = 14
"then subtract three": 14 - 3 = 11
"then add ten": 11 + 10 = 21

21 is your final answer


hope this helps
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rosijanka [135]

Answer:

No, Victoria doesn't have enough. She doesn't have enough because 15% off of 139.99 is 118.99. But then their is a 7% sales tax. So once you add the sales tax you get $127.32 and her max is $125.

Step-by-step explanation:

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3 years ago
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BigorU [14]

Answer:

x = 3

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Step-by-step explanation:

The method of substitution is when one solves an equation for one of the variables, and then substitutes the expression into the other equation. After doing so, one will solve the other equation for the remaining variable and then backsolve for the first variable.

4x + 2y = 12

x = y + 3

The second equation is already sovled for parameter (x), subttiute this into the other equation,

4(y + 3) + 2y = 12

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Inverse operations,

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x = 0 + 3

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4 0
3 years ago
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Furkat [3]

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ira [324]

Answer:

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I hope this is correct sorry if I'm wrong

Step-by-step explanation:

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