Question

Write an equation for the statement: Twice a number subtracted from 19 is 11

Answer 1

Hint: To form the required equation, we first consider a number ‘x’ and then equate the difference of $ 19 $ and twice of ‘x’ equal to $ 11 $ to get the required equation or solution of the given problem.

Complete step-by-step answer:
The linear equations in one variable is an equation which is expressed in the form of ax+b = 0, where a and b are two integers, and x is a variable and has only one solution. For example, 2x+3=8 is a linear equation having a single variable in it.
Let consider a number = x
Then, twice of a number is given as = $ 2x $ .
On subtracting $ 2x $ from $ 19 $ is written as $ 19 - 2x $ .
Then, from given condition in statement we have
 $ \Rightarrow 19 - 2x = 11 $
Which is required equation as per of given condition in statement

Note: To form an algebraic equation from a given statement. We first introduce an unknown variable say ‘x’ and then write the rest of the condition in terms of ‘x’ or as per the condition given in the statement to form the required equation of problem.