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12345 [234]
2 years ago
15

Solve for y :

ula1" title="\longrightarrow \: \bold{3 + y = 18}" alt="\longrightarrow \: \bold{3 + y = 18}" align="absmiddle" class="latex-formula">

ty! ~​
Mathematics
2 answers:
stellarik [79]2 years ago
7 0

Answer:

<u>y = 15</u>

Step-by-step explanation:

Given :

<u>3 + y = 18</u>

<u />

This a simple algebraic equation.

Subtract 3 from both sides :

⇒ 3 + y - 3 = 18 - 3

⇒ <u>y = 15</u>

finlep [7]2 years ago
7 0

Answer:

y = 15

Step-by-step explanation:

Given equation:

  • 3+y=18

To Find:

  • Value of y

Solution:

We can rewrite this equation as:

  • y+3 = 8

[This'll ain't change the answer]

Now we could solve on a easy way.

STEPS:

Transpose +3 to the RHS, make sure to change it's sign from “+” to “-”.

=> y = 18-3

Subtract the integers which's on the RHS:

=> y = 15

Hence,the value of y will be 15.

\rule{225pt}{2pt}

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Hi,

Essentially, we are saying that Alyssa gets 5 parts of the whole thing (140,000), Bart gets 3 parts of the whole and Meghan gets 2 parts of the whole. The sum total of their parts = the whole. So now we need to find out how much one part is. Thus,"one part" should be the variable. Substitute p for "one part", so Alyssa gets 5p, Bart gets 3p, and Meghan gets 2p. Since the sum of the parts = the whole, your problem sets up as:  5p + 3p + 2p = 140,000  -->  10p = 140,000 --> 10p/10 = 140,000/10  -->  x = 14,000.

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