person001
person001
12-04-2018
Mathematics
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3x-20°+2x=90 what is x?
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Аноним
Аноним
12-04-2018
3x + 20 + 2x = 90 | Equation
5x + 20 = 90 | Combine like terms
5x = 70 | Take away 20 from both sides
x = 14
| Divide by 5 on both sides
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