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White raven [17]
3 years ago
10

5x+9=2x+7+3x-15 Please give step by step explanation.

Mathematics
2 answers:
IrinaVladis [17]3 years ago
8 0

Answer:

x=12

Step-by-step explanation:

Simplifying 5x + -9 = 3x + 15 Reorder the terms: -9 + 5x = 3x + 15 Reorder the terms: -9 + 5x = 15 + 3x Solving -9 + 5x = 15 + 3x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-3x' to each side of the equation. -9 + 5x + -3x = 15 + 3x + -3x Combine like terms: 5x + -3x = 2x -9 + 2x = 15 + 3x + -3x Combine like terms: 3x + -3x = 0 -9 + 2x = 15 + 0 -9 + 2x = 15 Add '9' to each side of the equation. -9 + 9 + 2x = 15 + 9 Combine like terms: -9 + 9 = 0 0 + 2x = 15 + 9 2x = 15 + 9 Combine like terms: 15 + 9 = 24 2x = 24 Divide each side by '2'. x = 12 Simplifying x = 12

ch4aika [34]3 years ago
5 0
Your final answer should be is X=12
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The amount should he expect the pizza shop to tell him as his total charge will be $7122. It is obtaining by adding the service tax for the pizza and the delivery.

<h3>What is service tax?</h3>

A  tax on services that is provided by the vendors on the customers or the consumer  is called as the service tax.

The given data in the problem is;

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Hence, the value of  total charge will be $71.22 .

To learn more about the service tax, refer to the link;

brainly.com/question/27020132

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2 years ago
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