What is the answer to 12x-3x=30-6 ?

The answer to 12x-3x=30-6 is x= 8/3

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12x-3x=30-6

12 x - 3 x = 30 - 6

x = \frac{8}{3}

Decimal Notation

x = 2.66666 \dots

Solution steps

12 x - 3 x = 30 - 6

Add similar elements:

12 x - 3 x = 9 x

9 x = 30 - 6

Subtract the numbers:

30 - 6 = 24

9 x = 24

Divide both sides by

9

x = \frac{8}{3}

x, 5 x - 2 y = - 1

x, 2 x + y = - 11

- 5 (2 x + 1) = 23 - 6 x

4 x - 3 = x + 7

45 x - 33 x + 19 = 25 x + 17