Answer:
b + b + 7 = 23
2b + 7 = 23
Step-by-step explanation:
b = girls
b + 7 = boys
Answer:
Not a solution
Step-by-step explanation:
In order for
to be a solution, the result after substituting must be 0:




Therefore,
is not a solution to 
Answer:
The terms equivalent to - 6 are
- 10 - ( - 4)
26 - 32
Answer:
$513.5
Step-by-step explanation:
$475 + ($700 x 5.5 / 100)
$475 + ($3850 / 100)
$475 + $38.5
$513.5
48:32 or 48/32, depending on how your teacher wants you to write it.