What is the answer to 5x-x+3x=30 ?

The answer to 5x-x+3x=30 is x= 30/7

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5x-x+3x=30

5 x - x + 3 x = 30

x = \frac{30}{7}

Decimal Notation

x = 4.28571 \dots

Solution steps

5 x - x + 3 x = 30

Add similar elements:

5 x - x + 3 x = 7 x

7 x = 30

Divide both sides by

7

x = \frac{30}{7}

55 r^{2} - 77 s^{2}

\frac{1}{4} \cdot 100

- 2 (x + 3) - 4 = 18 + 4 x

\frac{- 10 k ^{2}}{21} \cdot \frac{- 6 k ^{4}}{25}

9 x^{2} = 8 x