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Reil [10]
3 years ago
13

For what value of the variable will the expression 8b−27 be equal to the following: 5

Mathematics
2 answers:
qaws [65]3 years ago
8 0

Answer:

We need to find the value of b to make 8b - 27 be equal to 5, so:

8b - 27 = 5

We solve the equation:

8b = 5 + 27

8b = 32

We divide both sides by 8:

b = 32/8 = 4

So now, we know that b=4, and we can verify:

8*4 - 27 = 5

32 - 27 = 5 TRUE

Ivan3 years ago
6 0

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Solve either equation for either variable. Since the second one has y on its own, the easiest choice is to solve that for y.

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Now substitute this into the other equation to eliminate y and rewrite it entirely in terms of x :

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Simplify and solve for x :

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Substitute this into either original equation to solve for y. Plugging x = -3 into the first equation would give

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Step-by-step explanation:

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3-LETTER ARRANGEMENTS:

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