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ii dont understand how to solve a system of linear equations using the substitution method
so 8x-7y=-7 -16+12x=14 you can simplify the sceon equation -8+6x=7 add 8 to both sides 6x=15 divide by 6 x=15/6 subssitute 8(15/6)-7y=-7 120/6-7y=-7 20-7y=-7 subtract 20 -7y=-27 divide by -7 y=27/7
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