What is the answer to 8x+9-12x=4x-13 ?

The answer to 8x+9-12x=4x-13 is x= 11/4

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8x+9-12x=4x-13

8 x + 9 - 12 x = 4 x - 13

x = \frac{11}{4}

Decimal Notation

x = 2.75

Solution steps

8 x + 9 - 12 x = 4 x - 13

Group like terms

8 x - 12 x + 9 = 4 x - 13

Add similar elements:

8 x - 12 x = - 4 x

- 4 x + 9 = 4 x - 13

Move

9

to the right side

- 4 x = 4 x - 22

Move

4 x

to the left side

- 8 x = - 22

Divide both sides by

- 8

x = \frac{11}{4}

x, 3 x - 5 y = 22

13 t = - t + 23 t - 1

\frac{x}{5} = \frac{4}{5}

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

x, - 6 x + 3 y = - 9