7/2 (y-1) = 4 +3y.how to solve?

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Answer 1 · 2018-03-22T10:58:07

#y=15#

#7/2(y-1)=4+3y#

#:.7/2y-7/2=4+3y#

#:.7/2y-3y=4+7/2#

multiply both sides by #2#

#:.7y-6y=8+7#

#:.y=15#

~~~~~~~~~~~~~~

check:-

substitute #y=15#

#:.7/2((15)-1)=4+3(15)#

#:.105/2-7/2=4+45#

#:.98/2=49#

#:.49=49#