Which system of equations does not have the same solution?
a) 3x+6y = 15
c) x+2y = 5
2x+y=4
6x + 3y = 12
b) 4x+8y = 20
d) x +2y = 5
2x + y = 4
4x + 2y = 12
Show your work:

or

step-by-step explanation:

we need to solve for 'x' the following equation:  

we have that:

⇒

⇒ ⇒

factorizing, we get that:

  ⇒

then, the solutions are: or

nothing extraneous has been found!

if i put something wrong your not gonna like it so rather not say nothing.

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step-by-step explanation:

ever thing time 1 is a multiply by 1 it get