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Ответ:
1. Add x to both sides: 5x + x - 10 = 40
2. Simplify: 6x - 10 = 40
3. Add 10 to both sides: 6x = 40 + 10
4. Simplify: 6x = 50
5. Divide both sides by 6: x = 50 / 6
6. Simplify: x = 25/3
2. Simplify: 6x - 10 = 40
3. Add 10 to both sides: 6x = 40 + 10
4. Simplify: 6x = 50
5. Divide both sides by 6: x = 50 / 6
6. Simplify: x = 25/3
