9 - {x - (7 + x)} = 9 - (x - 7 - x) = 9 - (-7)
You should be able to take it from there.
Simplify 9 - {x - (7 + x)}.
A)16
B)-2x + 2
C)-2x + 16
B)2x + 2
1 answer
A)16
B)-2x + 2
C)-2x + 16
B)2x + 2
1 answer