x+3=428 1.8x+32=98.6 2x-16=72 2x+30=110 4x+812=4400Р6.(x-3)÷2=7.5 8(x-6.2)=41.6 5(x+1.5)=17.5Р2(x-2.6)=8 x-0.36x=16 5.4 x+ x=12.8Р7. 8x-3x=105 13.2x+9x=33.3 6x+9x=1.5Р3(x+2.1)=10.5 12 x-9x=8.7 6x+18=48Р8. x÷8=0.4 x-6.5=3.2 x+4.8=7.2 3.8+x=6.3 2.5x=14 3.4x-48=26.8Р9.42x+25x=134 x-7.9=2.6 x÷3=1.2 2x-97=34.2 13(x+5)=169 x÷1.44=0.4 Р10. 3.85+1.5x=6.1 6x-0.9=4.5 x+12=20 X-8=18 6+x=40 x-0.8=2.6Р11. 2.9+x=6 x-7=9.8 x+80=125 3.2+ x=6.6 x-5.3=4 2.7+x=3.2+1.5 Р12. 5x=45 x÷6=7 8x=23+41 36x=108 x÷20=90 x÷9=4Р13. x÷1.5=4 x÷6=5.4 2.5x=17.5 x÷3.2=2.5 x÷5=4.2 8.8+x=20Р14. x÷1.8=6 1.2 x=60 4x=38-14 5x-4=36 7x+10=24 2x+4.8=10Р15.4x-3.7=8.7 25x-70=80 14+9x=50 8x-4×14=0 5x+35÷7=40 2.4÷0.3+6 x=50Р16.15x+3.8×12=87.6 3x-0.5×3=13.5 6x-2x=12.8Р2.8x-5.4÷3=6.6 4.2x+x=104 5x-2x=2.7Р17. x+4x=30 10x-3.5x=52 6(x+15)=240