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Dayana
Mathematics
4 August, 06:37
How do you solve 2x + (7x+9) = 90
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Kale Summers
4 August, 06:54
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Step-by-step explanation:
2x + (7x+9) = 90
2x + 7x + 9 = 90
9x = 90 - 9
9x = 81
x = 81/9
x = 9
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