(17) 89-x=44 (18) 56-x=40(19) 9+x=9.5 (20) 9.1+x=15.5 (21) 5.6+x=14.6(22) 5.4-x=4.1 (23) 6.5-x=2 (24) 5.8-x=2.7(25) 86x=172 (26) 58x=174 (27) 13x=195(28) 0.9x=18 (29) 0.6x=13.8 (30) 0.6x=10.8(31) 96x=19.2 ...