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MAVERICK [17]
3 years ago
9

Five times the difference of twice a number and three, decreased by the sum of the number and eight, equals 13

Mathematics
2 answers:
denis23 [38]3 years ago
7 0
5(2x-3)-(x+8)=13
10x-15-x-8=13
9x-23=13
9x=36
x=4
rewona [7]3 years ago
4 0

Answer:

The number is 4.

Step-by-step explanation:

Let the number be = x

Five times the difference of twice a number and three can be written as 5(2x-3)

Decreased by the sum of the number and eight, (x+8)

Hence complete expression becomes:

5(2x-3)-(x +8)=13

Now solving for x;

=> 10x -15- x -8 =13

=> 9x- 23=13

=> 9x= 36

So we get x = 4

The number is 4.

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