What is 5a-3a-7-2-7a+a-a ?

The solution to 5a-3a-7-2-7a+a-a is -5a-9

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simplify 5a-3a-7-2-7a+a-a

simplify

5 a - 3 a - 7 - 2 - 7 a + a - a

- 5 a - 9

Solution steps

5 a - 3 a - 7 - 2 - 7 a + a - a

Group like terms

= 5 a - 3 a - 7 a + a - a - 7 - 2

Add similar elements:

5 a - 3 a - 7 a + a - a = - 5 a

= - 5 a - 7 - 2

Subtract the numbers:

- 7 - 2 = - 9

= - 5 a - 9

\frac{( 15 x ^{3} \cdot y ^{4} )}{( 25 x y )}

5 x (a^{2} + 1) + (x + 1) (a^{2} + 1)

x^{2} + 2 2 x - 5

\frac{( x ^{2} - 1 )}{( x + 1 )} \cdot \frac{( x ^{2} + x )}{( x ^{2} - x )}

c {(2^{0} + 3^{- 1}) \cdot 9^{2}}