62.2k views
2 votes
What is x in -2-3x=19

2 Answers

6 votes

Answer:

-7

Step-by-step explanation

−2−3x=19

−2+−3x=19

−3x−2=19

Step 2: Add 2 to both sides.

−3x−2+2=19+2

−3x=21

Step 3: Divide both sides by -3.

−3x

−3

=

21

−3

x=−7

User BobBrez
by
6.6k points
1 vote

Answer:

x=-7

Explanation:

Since you are solving for x, you need to work backwards. Add 2 to both sides: -2 and 2 cancel out, and 19 plus 2 is 21. Isolate the x by dividing both sides by -3. -3 cancels out, and 21 divided by -3 is -7.

User Chesh
by
5.9k points
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