erikaharcus02 erikaharcus02

28-10-2020
Mathematics

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How do I step by step solve a substitution equation?
Solve this equation by substitution:

3x-3y=4
-x+y=-4

Respuesta :

Аноним Аноним

28-10-2020

Answer:

No solution

Step-by-step explanation:

Set -x+y=-4 to y

y=x-4

Substitute y into 3x-3y=4 and solve for x

3x-3(x-4)=4

3x-3x+12=4

12[tex]\neq[/tex]4

No solution

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