375 A system of equations is shown below.
Equation A: 5x + 9y = 12
Equation B: 4x - 3y = 8
Which method eliminates one of the variables?
1) Multiply equation A by and add the result
to equation B.
2) Multiply equation B by 3 and add the result to
equation A.
3) Multiply equation A by 2 and equation B by -6
and add the results together.
Multiply equation B by 5 and equation A by 4
and add the results together.

The variable y can be eliminated easily to multiply the equation B by 3 and add equation A and equation B. Then the correct option is B.

What is the solution of the equation?

The solution of the equation means the value of the unknown or variable.

A system of equations is shown below.

Equation A: 5x + 9y = 12

Equation B: 4x - 3y = 8

In the elimination method, one of the variable is eliminated with the help of combination of the algebraic rule, that is why this method is known as elimination method.

The variable y can be eliminated easily to multiply the equation B by 3 and add equation A and equation B.

5x + 9y = 12

12x - 9y = 24

17x = 36

Then the correct option is B.

More about the solution of the equation link is given below.

https://brainly.com/question/545403

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