What is the answer to 9x-20-4x=40 ?

The answer to 9x-20-4x=40 is x=12

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9x-20-4x=40

9 x - 20 - 4 x = 40

x = 12

Solution steps

9 x - 20 - 4 x = 40

Group like terms

9 x - 4 x - 20 = 40

Add similar elements:

9 x - 4 x = 5 x

5 x - 20 = 40

Move

20

to the right side

5 x = 60

Divide both sides by

5

x = 12

2 (y - 4) = - 3 (y + 2) + 8

9 x + 14 = 6 x + 2

3 x - 5 = 2 x + 10

x = 1858.25 (1 + 12.63)^{4}

\frac{2 k - 20}{3} = 0