Question

Solve for a .

5.4 = a - (-1.8)


a =

Answer 1

5.4=a+1.8
5.4-1.8=a
a=3.6

Answer 2

3.6 = a

Explanation:

5.4 = a - ( -1.8)

• Distribute minus sign.

5.4 = a + 1.8

• Move constant to the left hand side and change their sign.

5.4 - 1.8 = a

3.6 = a