Question

Solve the system of equations by the substitution method.
12x + 6y= 15
- 2x=y+4

Answer 1

12x + 6y = 15

-2x = y + 4 --------> 0 = 2x + y + 4 ------> -y = 2x + 4 -------> y= -2x -4

12x + 6 ( -2x - 4 ) = 15

12x -12x - 24 = 15

-24 = 15

No solutions

Explanation:

-24 does not equal 15 so this problem has no solutions.

Answer 2

there is no solution to this problem

Explanation: