Asked by Anonymous
solve the systems of equations
{4/7x+y=2/7
-1/8x-3/4y=-11/4
a. the solution of the system is
b. there are infinitely many solutions
c. there is no solution
{4/7x+y=2/7
-1/8x-3/4y=-11/4
a. the solution of the system is
b. there are infinitely many solutions
c. there is no solution
Answers
Answered by
PsyDAG
Multiply both sides of first equation by 7.
4x + 7y = 2
Multiply both sides of second equation by 8.
-x - 6y = -22
To get x terms equal, multiply both sides by 4.
-4x - 24y = -88
Add first and third equation.
-17y = -86
Solve for y and then for x.
4x + 7y = 2
Multiply both sides of second equation by 8.
-x - 6y = -22
To get x terms equal, multiply both sides by 4.
-4x - 24y = -88
Add first and third equation.
-17y = -86
Solve for y and then for x.
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