What is the answer to x-7-9x=3x-3-7x ?

The answer to x-7-9x=3x-3-7x is x=-1

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x-7-9x=3x-3-7x

x - 7 - 9 x = 3 x - 3 - 7 x

x = - 1

Solution steps

x - 7 - 9 x = 3 x - 3 - 7 x

Group like terms

x - 9 x - 7 = 3 x - 3 - 7 x

Add similar elements:

x - 9 x = - 8 x

- 8 x - 7 = 3 x - 3 - 7 x

Group like terms

- 8 x - 7 = 3 x - 7 x - 3

Add similar elements:

3 x - 7 x = - 4 x

- 8 x - 7 = - 4 x - 3

Move

7

to the right side

- 8 x = - 4 x + 4

Move

4 x

to the left side

- 4 x = 4

Divide both sides by

- 4

x = - 1

x + 7 = 2 x + 1

6 - 8 x = 30

x, 3 x - 2 y - 3 = 4

- 20 - 7 x = 6 x - 6

90 + 90 + 40 + y = 360