What is the answer to 10-9=20+9x ?

The answer to 10-9=20+9x is x=-19/9

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10-9=20+9x

10 - 9 = 20 + 9 x

x = - \frac{19}{9}

Decimal Notation

x = - 2.11111 \dots

Solution steps

10 - 9 = 20 + 9 x

Switch sides

20 + 9 x = 10 - 9

Subtract the numbers:

10 - 9 = 1

20 + 9 x = 1

Move

20

to the right side

9 x = - 19

Divide both sides by

9

x = - \frac{19}{9}

(y + 5) (y - 5) = (y - 2) y + 23

4 - \frac{1}{4} x = \frac{5}{2}

x, y - x y = 0

3 (c - 5) = 4 (c + 2)

x, y + 3 = 2 (x + 3)