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Zayden Choi
Mathematics
19 July, 11:54
Find RT if RS=x+9, ST=1, and RT=2x
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Mylie Paul
19 July, 12:10
0
16 units.
Step-by-step explanation:
We have that RS = x + 9
RT = 2x and ST = 1
RT + ST = RS
2x + 1 = x + 9
2x - x = 9 - 1, x = 8
So RT = 2x = 2 (8) = 16
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Ciara Ingram
19 July, 12:15
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2x = x + 9 + 1
(Subtract x on both sides)
x = 9 + 1
(Combined like terms)
x = 10
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