2 years ago

Solve: 9x+y=2 -4x-y=-17

1 answer:

6 0

Answer:

−

Step-by-step explanation:

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mina [271]

Minus both sides by 2m
$8k = 3 m - 2m + k \\ 8k = m + k$
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butalik [34]

13x+25=0
13x+25-25=0-25 Since two opposites added give zero, remove them from the expression 13x=-25

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