What is the answer to 0.8b-6.43=19.9b+3.81-18.3b ?

The answer to 0.8b-6.43=19.9b+3.81-18.3b is b=-64/5

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0.8b-6.43=19.9b+3.81-18.3b

0.8 b - 6.43 = 19.9 b + 3.81 - 18.3 b

b = - \frac{64}{5}

Decimal Notation

b = - 12.8

Solution steps

0.8 b - 6.43 = 19.9 b + 3.81 - 18.3 b

Group like terms

0.8 b - 6.43 = 19.9 b - 18.3 b + 3.81

Add similar elements:

19.9 b - 18.3 b = 1.6 b

0.8 b - 6.43 = 1.6 b + 3.81

Multiply both sides by

100

80 b - 643 = 160 b + 381

Move

643

to the right side

80 b = 160 b + 1024

Move

160 b

to the left side

- 80 b = 1024

Divide both sides by

- 80

b = - \frac{64}{5}

20 - 4.9 (x)^{2} = 10

x^{3} + 8 x^{2} - 4 x - 32

\frac{n}{5} + 45 = 54

- 90 + 27 x^{2}

n^{2} + 3 n = 0

What is the answer to 0.8b-6.43=19.9b+3.81-18.3b ?
The answer to 0.8b-6.43=19.9b+3.81-18.3b is b=-64/5
Solve for b: 0.8b-6.43=19.9b+3.81-18.3b
The solution is b=-64/5