3 years ago

Can anyone explain to me how to get the answer and what the answer is???

Mathematics

1 answer:

chubhunter [2.5K]3 years ago

4 0

The answer is (3,-5). Hope this helps

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F(x) = 3x + 5<br> Work out a if f(a)= -13

vekshin1

Answer:

a = - 6

Step-by-step explanation:

Given

f(x) = 3x + 5 , then

f(a) = 3a + 5 and f(a) = - 13 , then equating the right sides

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Read 2 more answers

Isolating a variable in two equations is easiest when one of them has a coefficient 1.

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Answer:

Option C.

Step-by-step explanation:

The given equations are

$3A-B=5$

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We need isolate one of the variables, such that it appears by itself on one side of the equation.

Isolating a variable in two equations is easiest when one of them has a coefficient 1.

In equation 1, coefficient of B is 1. So, we can easily isolate one of the variables.

The equation is

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Subtract 3A from both sides.

$-B=5-3A$

Multiply both sides by -1.

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Therefore, the correct option is C.

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3 years ago

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Answer:

Step-by-step explanation:

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