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CATBRIDGE-EQUATIONS №1

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This page contains various educational materials on equations — for practice, review, and in-depth learning. Use flashcards, tests, and exercises to train, check yourself, and master the school program with interest and benefit.

EQUATIONS

Solve the following equations

  • 25 – X:5 + 7 = 27, X·5 – 8 + 22 = 120 – 6, 40 + X·3 – 17 = 100 – 5, 90 – X:6 + 4 = 70 + 2
    solve the task
  • 84 – 12 = X·4 – 8 + 4, 63 + 9 = X:3 + 8 – 2, 120 – 8 = X·6 – 10 + 2, 55 + X:5 – 3 = 70
    solve the task
  • 20 + 26 = X·7 – 3, 100 – 20 = 50 + X:10 – 3, X·9 + 6 = 140 – 8, 140 – 14 = X:7 + 6
    solve the task
  • 60 + 8 = X·4 + 4, 90 + 12 = 30 + X:3 + 1, 200 – 50 = X·5 – 25, 64 – X:8 + 10 = 70
    solve the task
  • 45 = X·6 – 9 + 6, 28 + X:4 – 3 = 40 – 1, X·12 + 8 = 220 – 32, 150 – X:25 + 2 = 143
    solve the task
  • 72 – X:8 + 5 = 68, X·7 + 8 = 130 – 10, 54 + X·3 – 12 = 120 – 24, 80 – X:5 + 6 = 70 + 0
    solve the task
  • 90 – X:9 + 4 = 70 + 6, X·8 – 10 + 4 = 160 – 38, 36 + X:6 – 2 = 50 – 0, 100 + 12 = X·4 + 8
    solve the task
  • 75 – X:5 + 3 = 60 + 0, X·6 + 9 = 180 – 15, 40 + X·2 – 8 = 100 – 20, 140 – 20 = X:7 + 10
    solve the task
  • 60 – X:4 + 5 = 50 + 1, X·9 – 18 + 6 = 240 – 24, 48 + X:3 – 4 = 80 – 0, 90 + 10 = X·5 – 15
    solve the task
  • 88 – X:8 + 4 = 70 + 6, X·4 + 12 = 100 – 24, 30 + X·5 – 10 = 200 – 160, 180 – 36 = X:6 + 9
    solve the task
  • 70 – X:10 + 3 = 60 + 1, X·12 – 24 + 12 = 300 – 0, 64 + X:8 – 4 = 80 – 4, 50 + 30 = X·2 + 10
    solve the task
  • 95 – X:19 + 5 = 90 – 0, X·3 + 6 = 60 – 9, 42 + X·7 – 21 = 140 – 35, 120 – 20 = X:4 + 10
    solve the task
  • 66 – X:6 + 2 = 60 + 0, X·5 – 10 + 5 = 200 – 75, 28 + X:7 – 1 = 40 – 3, 160 – 40 = X·4 – 8
    solve the task
  • 84 – X:12 + 6 = 80 – 2, X·6 + 18 = 200 – 2, 36 + X·8 – 20 = 200 – 96, 90 – 30 = X:5 + 6
    solve the task
  • 78 – X:13 + 1 = 70 + 2, X·7 + 14 = 210 – 14, 24 + X:4 – 2 = 50 – 12, 110 – 22 = X·2 – 6
    solve the task
  • 96 – X:16 + 4 = 90 – 2, X·9 + 9 = 180 – 9, 40 + X·6 – 10 = 250 – 160, 150 – 30 = X:3 + 15
    solve the task
  • 81 – X:9 + 9 = 80 – 1, X·8 – 16 + 8 = 200 – 72, 32 + X:8 – 4 = 50 – 0, 140 – 60 = X·5 – 10
    solve the task
  • 72 – X:9 + 6 = 70 – 2, X·4 + 20 = 180 – 44, 56 + X·3 – 8 = 110 – 20, 200 – 50 = X:10 + 5
    solve the task
  • 63 – X:7 + 2 = 60 – 1, X·6 + 12 = 150 – 12, 44 + X:11 – 4 = 60 – 2, 120 – 24 = X:3 – 12
    solve the task
  • 85 – X:17 + 5 = 90 – 2, X·5 – 15 + 5 = 200 – 100, 27 + X:9 – 6 = 60 – 21, 180 – 20 = X·4 – 8
    solve the task

 

 

 

 

 

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