What is the answer to (b+31)/2 = 7/4 ?

The answer to (b+31)/2 = 7/4 is b=-55/2

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(b+31)/2 = 7/4

\frac{b + 31}{2} = \frac{7}{4}

b = - \frac{55}{2}

Decimal Notation

b = - 27.5

Solution steps

\frac{b + 31}{2} = \frac{7}{4}

Multiply both sides by

2

b + 31 = \frac{7}{2}

Move

31

to the right side

b = - \frac{55}{2}

x, 7 x + 4 y = 70

y = - 22 + 50

6 y = 3 k

3 - (17 - x) = 289 - (36 + 289)

- 8 - 2 y = - 12