x+9=5+32 x−8=27+14x 100−x=30+18 x+15=20+25

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x+12=45−7 x−30=60−25 x+18=45−9 x−20=100−45
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x÷2=36−18 5×x=60−15 x÷3=4+2 x + 342 = 765
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x : 5 = 90 – 45 45 : x = 56 -47 788 – x = 254 872 – x = 564
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x+20=2×25 x - 5 = 45 : 5 5 : x = 25:5 45 : x = 450 - 445
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234 + x = 727 675 – x = 293 x + 384 = 789 782 + x = 988
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45 : x = 90 – 45 20 × x = 200 - 100 40 × x = 90 – 10 100 : x = 999 -
989
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76 + x = 638 829 – x = 273 x + 562 = 982 657 – x = 452
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x × 5 = 6 ×5 x : 5 = 82- 73 50 : x = 765 – 755 x × 5 = 70 – 45
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 45 – x = 265 - 245 x – 132 = 764– x + 32 = 499 - 342 x + 3 = 45 : 5
543
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x + 214= 456 - x – 231 = 45 : 5 452 – x = 50 : 5 x + 53 = 131 + 31
234
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2 × x = 14 x × 2 = 456 -436 x × 5 = 876 – 851 x × 2 = 56 - 38
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x + 34 = 234 – 34 356+x = 245 + 232 – x = 345– x – 33 = 342 + 34
300 123
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x – 34= 456 + 24 x – 43 = 573 – 23 x + 234 = 43 + 242 + x = 242 +
564 29
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242 + x = 375 – x × 5 = 230 - 185 x × 2 = 765 – 751 x × 5 = 732 – 678
45
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x : 2 = 354 - 342 x : 5 = 450 – 50 x : 2 = 56 - 38 x : 5 = 456 - 421
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x + 234 = 24 + 456 – x = 234 – 34 x – 43 = 342 + 342 + x = 231 +
421 563 56
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123 + x = 453 – 42 + x = 247 + 22 343 + x = 234 + x + 33 = 235 - 34
34 13
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