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ra1l [238]
2 years ago
14

Solve systems by substitutions y=x + 10 y= -6x-18

Mathematics
1 answer:
lbvjy [14]2 years ago
8 0

x + 10 = - 6x - 18

7x = - 28

x = - 4

and y = - 4 + 10 = - 6

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