Question

Simplify each expression

1+10a-5a
x-9-3x

Answer 1

1) 1+10a - 5a
1+ 5a

3) x-9-3x
-9-2x

5) 1-4n+2n-1
-2n

7) 10k-3k = 7k

9) 5r+4-4= 5r

Answer 2

1.) 1+10a-5a
Subtract 5a from 10a
Final Answer: 1+5a

3.) x-9-3x
Subtract 3x from x
Final Answer: -9-2x

5.) 1-4n+2n-1
Subtract 1 from 1
-4n+2n
Add
Final Answer: -2n

7.) 10k-3k
Subtract
Final Answer: 7k

9.) 5r+4-4
Subtract
Final Answer: 5r