Mathematics, 29.05.2021 18:40 bg988763p7cl2d

The functions below form a system of linear equations: 7x + 4y = 8

3x + y = 12

Use the elimination method to find the solution to the system (their point of intersection).

You may want to consider these steps:

1) decide: should we eliminate x or y?

2) what do we need to multiply each equation by?

3) do we add the equations, or subtract them?

4) which variable do we solve for?

5) what is the value of that variable?

6) how can we use it to find the other variable? (which equation do we use?)

Answers: 3

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 17:00, daeshawnc14

Jamie went to home depot. she bought 25 bags of soil that cost $9 per bag. she bought 15 pots at $8 each, and she bought 23 bags of pebbles at $15 each. she used a coupon that gave her $5 off for every 100 dollars she spent. how much did jamie pay at the end?

Answers: 1

continue

Mathematics, 21.06.2019 17:00, lizzynmk

Which set of reflections would carry trapezoid abcd onto itself? a) x-axis, y=x, y-axis, x-axis b) x-axis, y-axis, x-axis c) y=x, x-axis, x-axis d) y-axis, x-axis, y-axis, x-axis

Answers: 2

continue

Mathematics, 21.06.2019 20:20, oofoofoof1

Sample response: if the graph passes the horizontaline test, then the function is one to one. functions that are one to one have inverses that a therefore, the inverse is a hinction compare your response to the sample response above. what did you include in your explanation? a reference to the horizontal-line test d a statement that the function is one-to-one the conclusion that the inverse is a function done

Answers: 2

continue

Mathematics, 21.06.2019 21:00, leannaadrian

2x minus y equals 6, x plus y equals negative 3

Answers: 1

continue

You know the right answer?

The functions below form a system of linear equations: 7x + 4y = 8

3x + y = 12