Question

8. If 2x+1 = 31-* then find the value of x.​

Answer 1

Hey friend here's your answer

Answer:

x=16

Step-by-step explanation:

2x+1=31

2x=32

x=16

Simplifying

2x + -1 = 31

Reorder the terms:

-1 + 2x = 31

Solving

-1 + 2x = 31

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '1' to each side of the equation.

-1 + 1 + 2x = 31 + 1

Combine like terms: -1 + 1 = 0

0 + 2x = 31 + 1

2x = 31 + 1

Combine like terms: 31 + 1 = 32

2x = 32

Divide each side by '2'.

x = 16

Simplifying

x = 16

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Answer 2

Answer:

15

Step-by-step explanation:

2x+1=31

or, 2x=30

or, x=15