What is the answer to 3x-1+3x-1=8x-20 ?

The answer to 3x-1+3x-1=8x-20 is x=9

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3x-1+3x-1=8x-20

3 x - 1 + 3 x - 1 = 8 x - 20

x = 9

Solution steps

3 x - 1 + 3 x - 1 = 8 x - 20

Group like terms

3 x + 3 x - 1 - 1 = 8 x - 20

Add similar elements:

3 x + 3 x = 6 x

6 x - 1 - 1 = 8 x - 20

Subtract the numbers:

- 1 - 1 = - 2

6 x - 2 = 8 x - 20

Move

2

to the right side

6 x = 8 x - 18

Move

8 x

to the left side

- 2 x = - 18

Divide both sides by

- 2

x = 9

3 (a - 4) + 4 = 2 (a - 1)

x + 10 x - 25 = 4 x - 10

22 = 6 y + 7

21 - \frac{x}{4} = \frac{x}{3}

- 1 = \frac{x + 5}{6}