Answer:
p - a - c = b
Step-by-step explanation:
p = a + b + c
subtract a and b from both sides to isolate c
p - a - c = a - a + b
+ c - c
Answer:
x= first number y= second
x=2y+9 and x+y=129, these are the equations...solving gives x=89,y=40
Step-by-step explanation:
Answer:

Step-by-step explanation:
Given: 
We need to completely isolate
to solve.






Finally, multiply both sides by -2 to completely isolate
.

Answer:
×=16
Step-by-step explanation:
distribute 3 into the () so it would be 6x+6=96. subtract 6 to 96= 90. 90 divide by 2=16
You could write 6/15 as a decimal 0.40.
Therefore .48>.40