Answer:
3.5
Step-by-step explanation:
This is because 12 times 4 is 48 and if you divide 168 by 48 you get 3.5 . 3.5 times 12 times 4 is 168.
Answer:
Step-by-step explanation:
y=-1 ans.
x=2*-1=3
x=-2+3
x=1 ans.
Proof:
4*1-5*-1=9
4+5=9
9=9
ASSOCIATIVE PROPERTY OF MULTIPLICATION because only the parenthesis moved
Combining like terms:
6+ -x + 2x + -7 + 2x
(-x + 2x + 2x) + 6 + -7)
You get:
= 3x -1