Пошаговое объяснение:
1)
4у + 7 = 9 - 2у
4у + 2у = 9 - 7
2)
5х - 19 = 3х + 5
5х - 3х = 5 + 19
3)
-5m - 9 = -2m + 7
-5m + 2m = 7 + 9
4)
-9 - 3x = 2x - 1
-3x - 2x = -1 + 9
4y+7=9-2y
4y+2y=9-7
-------------------
5x-19=3x+5
5x-3x=5+19
-5m-9=-2m+7
-5m+2m=7+9
-9-3x=2x-1
-3x-2x=-1+9
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Verified answer
Пошаговое объяснение:
1)
4у + 7 = 9 - 2у
4у + 2у = 9 - 7
2)
5х - 19 = 3х + 5
5х - 3х = 5 + 19
3)
-5m - 9 = -2m + 7
-5m + 2m = 7 + 9
4)
-9 - 3x = 2x - 1
-3x - 2x = -1 + 9
4y+7=9-2y
4y+2y=9-7
-------------------
5x-19=3x+5
5x-3x=5+19
-------------------
-5m-9=-2m+7
-5m+2m=7+9
-------------------
-9-3x=2x-1
-3x-2x=-1+9