What is the answer to 3d+d-7= 25/4 ?

The answer to 3d+d-7= 25/4 is d= 53/16

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3d+d-7= 25/4

3 d + d - 7 = \frac{25}{4}

d = \frac{53}{16}

Decimal Notation

d = 3.3125

Solution steps

3 d + d - 7 = \frac{25}{4}

Add similar elements:

3 d + d = 4 d

4 d - 7 = \frac{25}{4}

Move

7

to the right side

4 d = \frac{53}{4}

Divide both sides by

4

d = \frac{53}{16}

25 x^{2} + 1 = 10

- 5 \leq 4 - 3 x \leq 2

x^{2} + 2 x - 9 = 0

\frac{( 4 - x )}{x + 1} > - 3

16 \cdot 6