What is the answer to 2/5+1/2 b= 1/4 ?

The answer to 2/5+1/2 b= 1/4 is b=-3/10

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2/5+1/2 b= 1/4

\frac{2}{5} + \frac{1}{2} b = \frac{1}{4}

b = - \frac{3}{10}

Decimal Notation

b = - 0.3

Solution steps

\frac{2}{5} + \frac{1}{2} b = \frac{1}{4}

Move

\frac{2}{5}

to the right side

\frac{1}{2} b = - \frac{3}{20}

Multiply both sides by

2

b = - \frac{3}{10}

a, c = 180 - a - b

- 3.1 z + 3.9 = 14.75

x, \frac{2 ( x + 1 )}{3} - y = - 3

2 x + 2 = 3 x - 3

x, y - 3 = 4 (x - 2)