Posted by **dj** on Sunday, October 5, 2008 at 2:17pm.

5x=7+4y

20x-16y=28

how many solutions are there for the system of equations?

Infinitely many solutions

No solution.

two solutions or three solutions?

- algebra -
**David Q**, Sunday, October 5, 2008 at 2:40pm
5x=7+4y, so

5x-4y=7. Multiply both sides by 4, and you get:

20x-16y=28. But that's the other equation you were given - so you've actually only got one equation there, not two. And you can feed any value of x into that equation and get a corresponding value of y out.

## Answer this Question

## Related Questions

- Algebra - How many solutions does this system of equations have? y = 4x + 3 and ...
- 7th grade math Ms. Sue please - 1. 2(x – 3) = 2x (1 point) one solution no ...
- math - Decide whether the each equation has one solution, no solutions,or ...
- math - Help pllsss ASAP!!! have certain answers!! i try but i do not understand...
- Algebra - How many real number solutions does the equation have? y=-4x^2+7x-8 A...
- VERY URGENT MATH~!!!!!!!! - 1. 2(x – 3) = 2x (1 point) one solution no solutions...
- Algebra 2 Helpp :( - QUESTIONS (vvv) (1) Solve the system by subsitution 2x + y...
- Math - How many real number solutions does the equation have? y=3x^2-5x-5 A)one ...
- Math - 1)How many real number solutions does the equation have? -8x^2-8x-2=0 A) ...
- math - Decide whether each equation has one solution, no solutions, or ...

More Related Questions