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x+150=290 79.4+x=95.5 x+55=129
x+3=18x+32=76100+x=310
4.5x =90 5x =100 6.2x=1241.8x=0.972
7x=4920x=40 8x=81.2x=81.6
x-54.3=100 x-77=275 x-58=144 x-6=12x-7.6=8 x-5.3=3.49
x÷2.5=100 x÷3=33.3 x÷2.2=8x÷6=12
66-x=32.3 77-x=21.9 99-x=61.9
88-x=8043-x=38 54-x=24
7÷x=0.001 56÷x=5 39÷x=3
91÷x =1.30.245÷x=0.35 10÷x=8
x+ 0.5x=6 x-0.2x=32 1.3x+x=26
3x+5x=48 14x-8x=1224-3x=3
(0.5+x)+x=9.8÷27(x-2)=2x+3 (x-140)÷70=4