1) (х+312):38=102
х+312=102*38
х+312=3876
х=3876-312
х=3564
2) (239-х)*38=3876
раскроем скобки
9082-38x = 3876
-38x+5206 = 0
38x-5206 = 0
38x = 5206
x = 137
3) 26*(х+427)=15756
26x + 11102 = 15756
26x = 15756 – 11102
26x = 4654
x = 179
4) 22374:(х-125)=1243
х-125=22374:1243
х-125=18
х=18+125
х=143
5) 1.8+х-2.3=3.7+4х
x – 4x = 3,7 + 2,3 – 1,8
-3x = 4.2
x = -1.4
6) 5.2-х+1.9=5.9-3х
– x + 3x = 5,9 – 1,9 – 5,2
2x = -1.2
x = -0.6
1) (х+312):38=102 х+312=102*38 х+312=3876 х=3876-312 х=3564 2) (239-х)*38=3876 раскроем скобки 9082-38x = 3876 -38x+5206 = 0 38x-5206 = 0 38x = 5206 x = 137 3) 26*(х+427)=15756 26x + 11102 = 15756 26x = 15756 – 11102 26x = 4654 x = 179
4) 22374:(х-125)=1243 х-125=22374:1243 х-125=18 х=18+125 х=143 5) 1.8+х-2.3=3.7+4х x – 4x = 3,7 + 2,3 – 1,8 -3x = 4.2 x = -1.4 6) 5.2-х+1.9=5.9-3х – x + 3x = 5,9 – 1,9 – 5,2 2x = -1.2 x = -0.6
1) (х+312):38=102
х+312=102*38
х+312=3876
х=3876-312
х=3564
2) (239-х)*38=3876
раскроем скобки
9082-38x = 3876
-38x+5206 = 0
38x-5206 = 0
38x = 5206
x = 137
3) 26*(х+427)=15756
26x + 11102 = 15756
26x = 15756 – 11102
26x = 4654
x = 179
4) 22374:(х-125)=1243
х-125=22374:1243
х-125=18
х=18+125
х=143
5) 1.8+х-2.3=3.7+4х
x – 4x = 3,7 + 2,3 – 1,8
-3x = 4.2
x = -1.4
6) 5.2-х+1.9=5.9-3х
– x + 3x = 5,9 – 1,9 – 5,2
2x = -1.2
x = -0.6
1) (х+312):38=102 х+312=102*38 х+312=3876 х=3876-312 х=3564 2) (239-х)*38=3876 раскроем скобки 9082-38x = 3876 -38x+5206 = 0 38x-5206 = 0 38x = 5206 x = 137 3) 26*(х+427)=15756 26x + 11102 = 15756 26x = 15756 – 11102 26x = 4654 x = 179
4) 22374:(х-125)=1243 х-125=22374:1243 х-125=18 х=18+125 х=143 5) 1.8+х-2.3=3.7+4х x – 4x = 3,7 + 2,3 – 1,8 -3x = 4.2 x = -1.4 6) 5.2-х+1.9=5.9-3х – x + 3x = 5,9 – 1,9 – 5,2 2x = -1.2 x = -0.6