Question

Simplify (9-2a)-(4+3a) ​

Answer 1

subtract the numbers
`9 - 4 =5 = -5a + 5`

Explanation:

( a ) = a

( 9 - 2a ) = 9 - 2a

= 9 - 2a - 4 -3a

- (a + b ) = -a -b

-( 4 + 3a ) = -4 - 3a

= - 2a - 3a + 9 - 4

- 2a - 3a = - 5a = -5a + 9 - 4

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