What is the answer to 7x-12-8-5x=-9-7 ?

The answer to 7x-12-8-5x=-9-7 is x=2

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7x-12-8-5x=-9-7

7 x - 12 - 8 - 5 x = - 9 - 7

x = 2

Solution steps

7 x - 12 - 8 - 5 x = - 9 - 7

Group like terms

7 x - 5 x - 12 - 8 = - 9 - 7

Add similar elements:

7 x - 5 x = 2 x

2 x - 12 - 8 = - 9 - 7

Subtract the numbers:

- 12 - 8 = - 20

2 x - 20 = - 9 - 7

Subtract the numbers:

- 9 - 7 = - 16

2 x - 20 = - 16

Move

20

to the right side

2 x = 4

Divide both sides by

2

x = 2

5 = 2 g + 1

- 6 p + 7 (1 + 3 p) = 2 (7 + 8 p)

x, 2 (x + a) = y - 2 a

- 10 + x = 18

y, x - y = 9