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KATRIN_1 [288]
2 years ago
14

Solve the following if 7+2x all divided by three equals 5 what is x?

Mathematics
2 answers:
NemiM [27]2 years ago
8 0

Answer:

x = 4

Step-by-step explanation:

Given

\frac{7+2x}{3} = 5 ( multiply both sides by 3 to clear the fraction )

7 + 2x = 15 ( subtract 7 from both sides )

2x = 8 ( divide both sides by 2 )

x = 4

Vlad [161]2 years ago
6 0

Answer:

x =4

Step-by-step explanation:

sorry the working was a bit scrappy in the pic

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2 years ago
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3 0
2 years ago
1. What is the slope of the line tangent to the curve defined by y2 + xy - x2 = 11x at the point (2, 3)?
andreyandreev [35.5K]

Step-by-step explanation:

By using Implicit Differentiation,

d/dx (y² + xy - x²) = d/dx (11x)

d/dx (y²) + d/dx (xy) - d/dx (x²) = 11

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dy/dx (2y + x) = 11 + 2x - y

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=> dy/dx = (11 + 2(2) - (3)) / (2(3) + (2))

= 12 / 8 = 1.5.

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7 0
2 years ago
3456
Bumek [7]

idkStep-by-step explanation:

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