What is the answer to 8x-10+15x+30=89 ?

The answer to 8x-10+15x+30=89 is x=3

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8x-10+15x+30=89

8 x - 10 + 15 x + 30 = 89

x = 3

Solution steps

8 x - 10 + 15 x + 30 = 89

Group like terms

8 x + 15 x - 10 + 30 = 89

Add similar elements:

8 x + 15 x = 23 x

23 x - 10 + 30 = 89

Add/Subtract the numbers:

- 10 + 30 = 20

23 x + 20 = 89

Move

20

to the right side

23 x = 69

Divide both sides by

23

x = 3

\frac{110 - 94.79}{110 - 90} = \frac{5 - x}{5 - 2.5}

x, x [n] = u [n]

7 x - 8 + 2 x = 4 x + 17

(x + 2) 3 = (13 - x) 4 + 3

x + 5 = 2 x - 10