Solve, using the substitution method.

y + 2x = 7
14 – 4x = 2y
A.The solution is (1, 5)
B. The solution
c. There are an infinite number of solutions
is (21, 0)
D.There is no solution.

C.

Question

Solve, using the substitution method.

y + 2x = 7
14 – 4x = 2y
A.The solution is (1, 5)
B. The solution
c. There are an infinite number of solutions
 is (21, 0)
D.There is no solution.

C.

anonymous · Answer

Using substitution: solving the first equation for y, y = 7 - 2x
substituting it into the second equation: 14 - 4x = 2(7 -2x)

14 - 4x = 14 - 4x ... they are the same equation so there are infinitely many solutions