What is the answer to 8x-3(2x+5)=13 ?

The answer to 8x-3(2x+5)=13 is x=14

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8x-3(2x+5)=13

8 x - 3 (2 x + 5) = 13

x = 14

Solution steps

8 x - 3 (2 x + 5) = 13

Expand

- 3 (2 x + 5) : - 6 x - 15

8 x - 6 x - 15 = 13

Add similar elements:

8 x - 6 x = 2 x

2 x - 15 = 13

Move

15

to the right side

2 x = 28

Divide both sides by

2

x = 14

- 13.4 = - 2.2 + \frac{w}{7}

x - 8 = 3 x

x - \frac{2}{3} = \frac{1}{6}

x = 3 x + 2

x = 3 x - 6