(x) 3 5 7
(y) 7 11 15
Find x, when y = 21
1 answer:
Answer:
x = 10
Step-by-step explanation:
y = 2x + 1
21 = 2x + 1
21 - 1 = 2x
2x = 20
x = 10
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<span>9540000 = 9x1000000 + 5x100000 + 4x10000
= 9x10^6 + 5x10^5 + 4x10^4</span>
