Answer:
Neither because reason is incorrect answer of Vicente is wrong and reason of Zwena is wrong.Though her answer is correct her reason is incorrect.
Step-by-step explanation:
expression 9x-2x+4x is done as
9x-2x+4x
9x+4x-2x
13x-2x
11x
Answer:
the third option. x is a real number
Multiply 8 to 4x and 7 so it looks like 32x +56=56 then you subtract 56 from to 56 which equals zero. Your equation should look like 32x=0. Divide 32 by 0 which equals 0. X=0
Your answer would be 15.6
Answer:
Step-by-step explanation:
|x|=x,if x>0
|x|=-x,if x<0
(a)
|7-9|=|-2|=-(-2)=2
(b)
|7|-9=7-9=-2