Find 3 upon 5 *-4 upon 7 -1 upon 2 multiple 5 upon 3 add 3 upon 7 multiple 7 upon 5
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3
Answer:
28198292919910100101010
Answered by
1
Answer:
3/10x + 12 = 4/10x - 28
3/10x + 120x/10x = 4/10x - 280x/10x
(Cross multiplication)
10x(3+120x) = 10x(4-280x)
30x+1200x² = 40x-2800x²
2800x²-1200x² = 40x-30x
1600x² = 10x
1600x²/10 = x
160x² = x
160 = x³
12.64(approx) = x
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