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11. 3x + 7.2 = 86.3 A. 0.7 B. 7 C. 8 D. 8.3?

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  • 11. 3x + 7.2 = 86.3 A. 0.7 B. 7 C. 8 D. 8.3?


Answers

... x + 2x = 3x 7 + 2x = 14 + 3x Solving 7 + 2x = 14 + 3x ... 3x + -3x = 0 7 + -1x = 14 + 0 7 + -1x = 14 Add '-7' to each side of the equation. 7 + -7 ...
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Positive: 45 %
... 2x + -2x = 0 7 + 3x = 70 + 0 7 + 3x = 70 Add '-7' to each side of the equation. 7 + -7 + 3x = 70 + -7 Combine ... Equation Calculator & Solver. Equation:
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Positive: 42 %

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Positive: 45 %
... 2b + ab2 − 6 8 8 3 −5. 6b 3 b 5. 1 2 1 ab − 4 3 7 2 ... b−5 = a+ b−5 2 5 2 5 7. 2 2 3. x + x ... 9 5 3 5 7 4 12. 8 c + 22 c d 5 4 + c d 11. 7 ...
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Positive: 40 %
Foci: (2, 7), (−8 , 7) A) (x + 3)2 144 + (y − 7)2 169 = 1 B) ... C) (x − 7)2 169 + (y − 3)2 144 = 1 D) (x + 3)2 121 + (y − 7)2 144 = 1 8) ... (y ...
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Positive: 26 %
... 4x – 1 + 5x – 2 = x + 1 5 10 8 4 b) (3x + 2)2 + 3(1 – 3x) x = 2(x – 11) c) (2x ... 3 d) 1 – 5x < – 8 ( – ∞, 3 2 ... 7 2–x>0 x–7
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Positive: 3 %

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