Respuesta :

bextem
to isolate y first step as follows; 5x - 7y - 10 -7y = -5x -10 (change the 5x to this side as negative)
then divide by -7 and you have -7y = -5x + 10 --- --- --- -7 -7 -7 then you havd: y = 5/7x -10/7
SkyWorks
5x+7<10 Subtract 10 and 7.
5x<3 Divide 3 and 5.
x<3/5 The answer is 3/5.