Question

Shen has a box that contains t toys.

Write an expression for the total number of toys
he has in the box when:
a ) he puts in 4 more b) he takes 2 out
c) he adds 5 d) he takes out half of them.

Answer 1

(a+4)(b-2)=t

a+4=0

-4+4=0

and

b-2=0

2-2=0

Explanation:

A is opposite of what is in the equation = -4

b is opposite of what is in the equation = 2