Q no 7 Find the number whose double is 45 greater than its half - Maths - Linear Equations in One Variable

Question

Q no 7 Find the number whose double is 45 greater than its half

Varun Rawat · Accepted Answer

Let the required number = xNow, according to question :     2x = x2 + 45⇒2x - x2 = 45⇒3x2 = 45⇒3x = 90⇒x = 903⇒x = 30So, required number = 30

Q.no.7. Find the number whose double is 45 greater than its half.