Math

Solve for both systems 2x+2z=54 and 8x + 6z = 178

Asked by AnneS2 on 30 Jul 08:20

Last updated by anonymous on 31 Jul 17:42

1 Answers

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Answered by CherieS on 31 Jul 17:42

2x+2z=54

2x-2x+2z=54-2x

2z=54-2x

2z/2=54-2x/2

z=27-x

8x + 6z = 178

8x + 6(27-x) = 178

8x + 6(27) (6)(-x) = 178

8x+162-6x=178

2x+162=178

2x+162-162=178-162

2x=16

2x/2=16/2

x=8

z=27-x

z=27-8=19