Which step should be taken to isolate the variable in the following equation?
7d = 49

You would divide 7d from both side.

Step-by-step explanation:

After you divide the 7d/7d is eliminated  so your answer would be d=7

42

step-by-step explanation:

256/6=42

step-by-step explanation:

first, eliminate the parenthesis:

3

x

+

2

−

4

x

second, group like terms:

3

x

−

4

x

+

2

third, combine like terms:

(

3

−

4

)

x

+

2

→

−

1

x

+

2

→

−

x

+

2