What is the answer to 7-9x+3-x=-20x+5 ?

The answer to 7-9x+3-x=-20x+5 is x=-1/2

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7-9x+3-x=-20x+5

7 - 9 x + 3 - x = - 20 x + 5

x = - \frac{1}{2}

Decimal Notation

x = - 0.5

Solution steps

7 - 9 x + 3 - x = - 20 x + 5

Group like terms

- 9 x - x + 7 + 3 = - 20 x + 5

Add similar elements:

- 9 x - x = - 10 x

- 10 x + 7 + 3 = - 20 x + 5

Add the numbers:

7 + 3 = 10

- 10 x + 10 = - 20 x + 5

Move

10

to the right side

- 10 x = - 20 x - 5

Move

20 x

to the left side

10 x = - 5

Divide both sides by

10

x = - \frac{1}{2}

f = \frac{1}{( \frac{- 3}{5} )}

\frac{x + 5}{2} = \frac{x - 1}{3}

f = 2 (1) + 1

f = 2 (1) + 2

\frac{3 - 2 x}{3} - \frac{4 x - 7}{2} = \frac{5 x - 9}{6}