IDNStudy.com, ang iyong platform ng sanggunian para sa pangkomunidad na mga sagot. Ang aming platform ay nagbibigay ng mga maaasahang sagot upang matulungan kang gumawa ng matalinong desisyon nang mabilis at madali.

what is the algebraic equation for a number decreased by 8 is equal to 16 ?​

Sagot :

Answer 1

Given

Twice a number decreased by 8 equals 16.

To Find

Find the number.

Solution

Let the number be x.

According to Question:

2x - 8 = 16

2x = 16 + 8

2x = 24

x = 8/2

x = 12

So, the number is 4.

Answer 2

Given

A number exceeds two-fifths of it by 36.

To Find

Find the number.

Solution

Let the number be x

According to Question

x - 2/5x = 36

5x - 2x / 5 = 36

3x / 5 = 36

3x = 36 × 5

3x = 180

x = 180/3

x = 60

So, the number is 60.