2 years ago

4. Solve 1 - 2x - 1 = -10. O A. X = -9 O B. X = 5 O C. X= 9 O D. No solution

Mathematics

2 answers:

Anit [1.1K]2 years ago

6 0

Answer:

B.) x=5

Step-by-step explanation:

move 1 and -1 to the other side with -10 and change signs

-2x=-10+1-1 -> +1-1=0

-2x=-10

+2x=+10 divide both sides by 2

2x/2=10/2

x=5

schepotkina [342]2 years ago

4 0

Answer:

x = 5

Step-by-step explanation:

1 - 2x - 1 = -10

- 1 - 1

-2x -1 = -11

+1 +1

-2x = -10

/-2 /-2

x = 5

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