Question

O 20 and ( 3x + 4)
[7.EE.A.1] Juan simplifies the following expression: 5(-4+ (-3r) - 5g) and got -20 -157 -5g. What is the
error that Juan made?​

Answer 1

Answer step by step:

5(-4 + (-3r) - 5g)

1. Simplify! Remove unnecessary parenthesis

5(-4 - 3r - 5g)

2. Order terms

5(-5g - 3r - 4)

3. Distribute

5(-5g -3r - 4)

-25g - 15r - 20