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09-03-2017
Mathematics

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what is y=-2 4x-3y=18 using substitution please show steps

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strugglingxstudent strugglingxstudent

09-03-2017

substitute y for -2 so 4x-3(-2)= 18, which -3 * -2 is +6 so then it'd be 4x + 6 = 18, then subtract 6 so 4x = 12, then divide by 4 so x = 3. dont forget that in match the positive&negative signs count.

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