Question

What are the steps to do 4z−(−3z)

Answer 1

4z-(-3z)

Remember, two negatives equal a positive. Since there are two subtraction signs, you would add 4z and 3z together.

-,-= +

4z+3z

4+3= 7

7z is the simplest answer.

I hope this helps!
~kaikers

Answer 2

4z - ( - 3 z) 

= 4 z + 3 z = 7 z