What is the answer to 4+20x+8x=0 ?

The answer to 4+20x+8x=0 is x=-1/7

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4+20x+8x=0

4 + 20 x + 8 x = 0

x = - \frac{1}{7}

Decimal Notation

x = - 0.14285 \dots

Solution steps

4 + 20 x + 8 x = 0

Add similar elements:

20 x + 8 x = 28 x

4 + 28 x = 0

Move

4

to the right side

28 x = - 4

Divide both sides by

28

x = - \frac{1}{7}

5 (x - 3) + 2 (3 + x) = 40

- \frac{4}{3} n = - 18

- 4 (u + 4) = 3 (u + 4) + 7

x - 6 = \frac{x}{3}

45 - 7 x = 108