Posted by dj on Sunday, October 5, 2008 at 2:17pm.
5x=7+4y
20x16y=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
5x4y=7. Multiply both sides by 4, and you get:
20x16y=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 have? x2y=2 y=2x+5 a. infinitely...
 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+7x8 A...
 Math  How many realnumber solutions does the equation have? –7x2 + 6x + 3 = 0...
 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^25x5 A)one ...
More Related Questions