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UNO [17]
3 years ago
9

Solve the system by substitution y=-6x -2x-7y=40

Mathematics
1 answer:
never [62]3 years ago
6 0

Answer:

x=1, y=-6. (1, -6).

Step-by-step explanation:

y=-6x

-2x-7y=40

------------------

-2x-7(-6x)=40

-2x+42x=40

40x=40

x=40/40

x=1

y=-6(1)=-6

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