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swat32
3 years ago
7

7(x -3)=4(x+5) solve for X thanks!!

Mathematics
2 answers:
kozerog [31]3 years ago
7 0

\text{Hello there!}\\\\\text{Solve for x:}\\\\7(x -3)=4(x+5)\\\\\text{Distribute the 7 to the variables inside the parenthesis}\\\\7x-21=4(x+5)\\\\\text{Distribute the 4 to the variables inside the parenthesis}\\\\7x-21=4x+20\\\\\text{Subtract 4x from both sides}\\\\3x-21=20\\\\\text{Add 21 to both sides}\\\\3x=41\\\\\text{Divide both sides by 3}\\\\x=41/3\\\\\boxed{\text{x = }\frac{41}{3}}}

Alisiya [41]3 years ago
6 0

Answer:

13.66

Step-by-step explanation:

In the picture above

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Maria, a biologist, is observing the growth pattern of a virus. She starts with 100 of the virus that grows at a rate of 10% per
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<h3>Answer: 985</h3>

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Work Shown:

A = amount after t hours

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