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System of equations using substitution a-3b=-22 4a+2b=-4
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System of equations using substitution a-3b=-22 4a+2b=-4

User MMMMS
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5 votes
4a+2b=-4
4a-12b=-88

14b=84
b=-6

a-18=-22
a=-4
User Xiao Jia
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