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jokeer_

  • 3 years ago

Solve system by subsitution. 3x+y=22 -4x+8y=-20

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  1. Fuzzybunnys
    • 3 years ago
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    y= 22-3x ...-4x + 8(22-3x) = -20 solve for x then solve for y

  2. gemmy
    • 3 years ago
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    I really don't have a clue at all

  3. gemmy
    • 3 years ago
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    I haven't did this kind of math in over 30 years that why it strange and confusing

  4. writtenbykayla
    • 3 years ago
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    3x+y=22 -4x+8y=-20 -8(3x+y=22) -24x-8y=-176 -4x+8y=-20 -28x=-198 -28 -28

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