amanda22499 amanda22499

09-02-2017
Mathematics

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i need help with number 7. its solving systems of equations by substitution. please show work!!! i need help

i need help with number 7 its solving systems of equations by substitution please show work i need help class=

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Pitxbullxgirl Pitxbullxgirl

09-02-2017

#7:
Subtract y from both sides:
-4x=6-y

Divide both sides by -4:

Answer:
x= -6-y/4

#7 part 2:

Add y to both sides:
-5x=21+y

Divide both sides by -5:

Answer: x=-21+y/5

hope i helped!

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