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Elena L [17]
3 years ago
6

6x+5y=7 2x-4y=-26 can you solve in steps

Mathematics
2 answers:
MAVERICK [17]3 years ago
5 0
<em>Look At The Picture.







</em>
Good Luck!<em>
</em>

morpeh [17]3 years ago
3 0
6x+5y=7 \\&#10;2x-4y=-26 \ \ \ |\hbox{multiply by (-3)} \\ \\&#10;6x+5y=7 \\&#10;\underline{-6x+12y=78} \ \ \ |\hbox{add the sides} \\&#10;5y+12y=7+78 \\&#10;17y=85 \ \ \ |\hbox{divide by 17} \\&#10;y=5 \\ \\&#10;\hbox{substitute 5 for y:} \\&#10;6x+5y=7 \\&#10;6x+5 \times 5=7 \\&#10;6x+25=7 \ \ \ |\hbox{subtract 25} \\&#10;6x=-18 \ \ \ |\hbox{divide by 6} \\&#10;x=-3 \\ \\&#10;\boxed{(x,y)=(-3,5)}
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