What is the answer to 6.4x+2.3=47.1 ?

The answer to 6.4x+2.3=47.1 is x=7

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6.4x+2.3=47.1

6.4 x + 2.3 = 47.1

x = 7

Solution steps

6.4 x + 2.3 = 47.1

Multiply both sides by

10

64 x + 23 = 471

Move

23

to the right side

64 x = 448

Divide both sides by

64

x = 7

x = \frac{x - 1}{2} + 2

5 x - 1 = 6 x + 3

13 - 4 x = 3 x - 8

u, f = x^{2} (2 - u) + 4 ln (x)

x - (2 x + 1) = 8 - 3 (x + 1)