What is 15-5x+7x-20+8x ?

The solution to 15-5x+7x-20+8x is 10x-5

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simplify 15-5x+7x-20+8x

simplify

15 - 5 x + 7 x - 20 + 8 x

10 x - 5

Solution steps

15 - 5 x + 7 x - 20 + 8 x

Group like terms

= - 5 x + 7 x + 8 x + 15 - 20

Add similar elements:

- 5 x + 7 x + 8 x = 10 x

= 10 x + 15 - 20

Subtract the numbers:

15 - 20 = - 5

= 10 x - 5

\frac{x ^{2} - x}{x}

6 \times \frac{1}{2}

\frac{x + 5}{x - 4} - \frac{x - 2}{x}

(lo g_{3} (2)) (lo g_{3} (4))

\frac{7}{7}