Question
If x : y : z = 4 : 7 : 9, and (2x + 3z) = 140, then find the value of 2y.
More Algebra Questions
- If {1/(y + 1) + 1/(y + 5)} = {1/(y + 2) + 1/(y + 4)}. Find the value of y
- If √b + (1/√b) = 11, then find the value of b + (1/b).
- If a 2 + b 2 = 89 and a 2 - b 2 = 39, then find the value of a 3 - b 3 - 3ab, (a, b >0).
- If √e + (1/√e) = 10, then find the value of e + (1/e).
- If √b + (1/√b) = 8, then find the value of b + (1/b).
- If 0.125x3 +0.216y3 = 210 and 0.25x2 + 0.36y2 = 10.30 then find the value of 0.5x + 0.6y.
- If a 2 + b 2 + c 2 = 240 and ab – bc – ca = 64, then find the value of (a + b – c) 2 .
- If x + 1/x = 4, then find x3 + 1/x3.
- If (x + y + z) = 14 and (xy + yz + zx) = 50, then find the value of (x² + y² + z²).
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