1. The solution to an addition problem is called the _____.Add-50-(-40)+( -60)+80

2. The solution to a subtraction problem is called the ____. Subtract-10-(-19)

3. The solution to a multiplication problem is called the ____. Multiply -2*-3*(-4)*5

4. The solution to a division problem is called the _____. Divide 10

Combine terms if possible, if not explain why

5) 6x-8x

6) x + x²