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3x + 3y =-18 and y=2x solve by substitution, show work.

3x + 3y =-18 and y=2x solve by substitution, show work.
asked 102k views
8 votes
3x + 3y =-18 and y=2x solve by substitution, show work.

asked
User Toholio
by
8.2k points

1 Answer

6 votes

Answer:

x=-2

Explanation:

3x+3*2x=-18

3x+6x=-18

9x=-18

x=-2

answered
User Alex Kurkin
by
8.4k points
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