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shaylawaldo11
25.07.2019 •
Mathematics
If you can answer them all i will give you brainliest, but any on any of them would be appreciated! 1) 2x + 7 = x + 9 x = ? 2) x + 10 + 5 = 2x + 7 x = ? 3) 2x + 3 = x + 7 x = ? 4) 3x + 1 = x + 19 x = ? 5) x + 1 + x = x + 9 x = ? 6) 2x + 5 = 3x + 2 x = ? 7) x + 21 = 4x + 3
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Ответ:
2. Subtract x+7. x = 8
3. Subtract x+3. x = 4
4. Subtract x+1, divide by 2. x = 9
5. Subtract x+1. x = 8
6. Subtract 2x+2. x = 3
7. Subtract x+3, divide by 3. x = 6
Ответ: