What is the answer to -5x-7=-x-35-x-35 ?

The answer to -5x-7=-x-35-x-35 is x=21

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-5x-7=-x-35-x-35

- 5 x - 7 = - x - 35 - x - 35

x = 21

Solution steps

- 5 x - 7 = - x - 35 - x - 35

Group like terms

- 5 x - 7 = - x - x - 35 - 35

Add similar elements:

- x - x = - 2 x

- 5 x - 7 = - 2 x - 35 - 35

Subtract the numbers:

- 35 - 35 = - 70

- 5 x - 7 = - 2 x - 70

Move

7

to the right side

- 5 x = - 2 x - 63

Move

2 x

to the left side

- 3 x = - 63

Divide both sides by

- 3

x = 21

3 (2 x - 1) + 5 = 8 (x + 1)

y - (2 - y) = 3 (y + 1) + y

(x + 2)^{2} + 5 = (x + 3)^{2}

- 4 (8 j - 12) = 4 (- 6 - 17 j)

- 2 (2 f - 4) = - 4 (- f + 2)