3 years ago

3x − x − 1 = 15 What is x

Mathematics

2 answers:

luda_lava [24]3 years ago

6 0

Answer:

3x-x=15+1

2x=16

x=16/2

x=8

azamat3 years ago

4 0

Answer: x=8

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

3x−x−1=15

3x+−x+−1=15

(3x+−x)+(−1)=15(Combine Like Terms)

2x+−1=15

2x−1=15

Step 2: Add 1 to both sides.

2x−1+1=15+1

2x=16

Step 3: Divide both sides by 2.

2x /2 = 16 /2

x=8

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