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White raven [17]
3 years ago
15

What is the y-value of the solution to the system of equations?

Mathematics
2 answers:
dimaraw [331]3 years ago
7 0

Answer:

y = 2

Step-by-step explanation:

3x + 5y = 1

7x + 4y = −13

We will use the elimination method to eliminate the x variable. Then we will solve for y. We need the coefficients of the x-terms in the two equations to be additive inverses, so they will add to zero, eliminating x.

Multiply both sides of the first equation by -7, and multiply both sides of the second equation by 3.

-21x - 35y = -7

21x + 12y = -39

Now add the equations to eliminate x.

-23y = -46

Divide both sides by -23.

y = 2

Julli [10]3 years ago
4 0

The answer is y=2 !!!!!!!!!!!!!!

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