Question

Simplify 9 - {x - (7 + x)}.


16
-2x + 2
-2x + 16
2x + 2

Answer 1

Any ideas?

Answer 2

a

Answer 3

meant b oops

Answer 4

Show your work @dirtydan667

Answer 5

i subtracted the like terms and got two but i dont know what to do now

Answer 6

The first thing you need to know is the definition of subtraction a - b = a + (-b)

Answer 7

9 - {x - (7 + x)}
9 - {x + (-7 + (-x))}

Answer 8

i dont know dood

Answer 9

can you explain it more

Answer 10

To find the opposite of a sum or difference you change the sign of each term of the sum or difference -(a + b) = (-a) + (-b) or -(a - b) = (-a) + b

Answer 11

- (7 + x) = -7 + (-x)

Answer 12

im sorry my brain dosent work in the mornign