Solve for y
y<-140
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10\times 2<-\frac{1}{7}y
Multiply both sides by 2. Since 2 is positive, the inequality direction remains the same.
20<-\frac{1}{7}y
Multiply 10 and 2 to get 20.
-\frac{1}{7}y>20
Swap sides so that all variable terms are on the left hand side. This changes the sign direction.
y<20\left(-7\right)
Multiply both sides by -7, the reciprocal of -\frac{1}{7}. Since -\frac{1}{7} is negative, the inequality direction is changed.
y<-140
Multiply 20 and -7 to get -140.
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