1) x+5/7=(-3/8)×1 1/3
x+5/7= -1/2
x= -1/2-5/7
x= -17/14
x= -1 3/14
2) y-7/12=3 1/2×(-4/7)
y-7/12=6/2×(-4/7)
y-7/12= - 12/7
y= - 12/7+7/12
y= -144/84+49/84
y= - 96/84
y= -1 11/84
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Answers & Comments
1) x+5/7=(-3/8)×1 1/3
x+5/7= -1/2
x= -1/2-5/7
x= -17/14
x= -1 3/14
2) y-7/12=3 1/2×(-4/7)
y-7/12=6/2×(-4/7)
y-7/12= - 12/7
y= - 12/7+7/12
y= -144/84+49/84
y= - 96/84
y= -1 11/84