Question

Three times a number decreased by 5 gives the result 16. Find the number.​

Answer 1

Step-by-step explanation:

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Three times a number decreased by 5 gives the result 16. Find the number.

$\huge\red{A}\pink{N}\orange{S}\green{W}\blue{E}{R}$

[First of all form the algebraic expression]

= Let the number be x

=

$3x - 5 = 16$

[ your equation is above; Let's solve it ]

$3x = 16 + 5$

[ transport 5 to RHS ]

$x = \frac{21}{3}$

[ transport 3 to RHS so that it can be divided ]

$x = 7$

So, the number is 7

Final answer:

$\huge\blue{7}$