Q1) $15z + 7 = 97$ [ $z = 6$]

Q1) $7(y -8) = 7$ [ y= $9$]

Q1) 3(5z + 3) = 39 [ z = 2]

Q2) ${x\over8}+7 = 11$ [ $x= 32$]

Q2) $2(y + 3) = 20$ [ y= $7$]

Q2) 2(6w + 10) = 92 [ w = 6]

Q3) $15y + 5 = 140$ [ $y = 9$]

Q3) $10(z + 9) = 190$ [ z= $10$]

Q3) 10(2y -9) = -50 [ y = 2]

Q4) ${w\over9}+4 = 13$ [ $w= 81$]

Q4) $6(w -3) = 12$ [ w= $5$]

Q4) 2(3w -6) = 12 [ w = 4]

Q5) $18w + 2 = 110$ [ $w = 6$]

Q5) $7(y + 8) = 98$ [ y= $6$]

Q5) 8(3x -6) = 96 [ x = 6]

Q6) $18x + 10 = 154$ [ $x = 8$]

Q6) $4(x -3) = 20$ [ x= $8$]

Q6) 3(2y -7) = 15 [ y = 6]

Q7) ${x\over10}-8 = 1$ [ $x= 90$]

Q7) $7(y + 8) = 84$ [ y= $4$]

Q7) 5(2x -3) = 5 [ x = 2]

Q8) ${y\over6}+5 = 11$ [ $y= 36$]

Q8) $6(z + 5) = 72$ [ z= $7$]

Q8) 2(7y + 5) = 66 [ y = 4]

Q9) ${y\over9}+5 = 8$ [ $y= 27$]

Q9) $7(z + 9) = 77$ [ z= $2$]

Q9) 9(5y -9) = 99 [ y = 4]

Q10) $2x + 9 = 27$ [ $x = 9$]

Q10) $8(x + 6) = 88$ [ x= $5$]

Q10) 6(6z -5) = 78 [ z = 3]