OpenStudy (anonymous):

wat x+7>-15 i need to show how i got the answer plz help me out

OpenStudy (anonymous):

$x > -21$ $x \in \left( -21,\infty \right)$

OpenStudy (anonymous):

$\frac{ 5 }{ 7b } - \frac{ 3 }{ 2b } = \frac{ -55 }{ 42 }$ $\frac{ 10b-21b }{ 14b^2 } = \frac{ -55 }{ 42 }$ multiplying by 14 we get $10 - 21 = -55b/3$ -11 = -55b/3 -33/-55 = b b = 3/5