Ответ:
1. 9x-7=6x+14
9x-6x=14+7
3x = 21
x = 21:3
x = 7
2. 4(x-3) = x+6
4x-12 = x+6
4x-x = 12+6
3x = 18
x = 18:3
x = 6
3. -
4. -
5. -
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Answers & Comments
Ответ:
1. 9x-7=6x+14
9x-6x=14+7
3x = 21
x = 21:3
x = 7
2. 4(x-3) = x+6
4x-12 = x+6
4x-x = 12+6
3x = 18
x = 18:3
x = 6
3. -
4. -
5. -