3 years ago

Solve for x: 3|2x - 2| + 6 = 18.

Mathematics

2 answers:

belka [17]3 years ago

8 0

Answer:

Step-by-step explanation:

3|2x-2| = 18-6

|2x-2| = 12/3

|2x-2|=4

2x-2 =+-4

2x -2 = -4

2x= -4+2

2x=-2

x=-1

2x -2 = 4

2x= 4+2

2x=6

x=3

alukav5142 [94]3 years ago

4 0

Answer:

answer: b) x = 3, x = -1

Step-by-step explanation:

3|2x - 2| + 6 = 18.

divid by 3 :

|2x - 2| + 2 = 6

add -2 : |2x - 2| = 4

2x-2=4 or 2x-2=-4

2x=6 or 2x=-2

x=3 or x=-1

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