3 years ago

Double a number decreased by 25.6 is equal to 90 Find the number

Mathematics

2 answers:

vlabodo [156]3 years ago

6 0

Answer:

The number is 57.8

Step-by-step explanation:

Let x = number

2x -25.6 = 90

Add 25.6 to each side

2x-25.6 +25.6 = 90+25.6

2x=115.6

Divide by 2

2x/2 =115.6/2

x =57.8

marin [14]3 years ago

5 0

Answer:

Step-by-step explanation:

2x-25,6=90

2x=90+25,6

2x=115,6

x=57,8

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