0

Guest

Courses New

Simplify these expressions and find their values if x = 3, a = – 1, b = – 2 3x – 5 – x + 9

 Simplify these expressions and find their values if x = 3, a = – 1, b = – 2
3x – 5 – x + 9

Grade:12

1 Answers

Harshit Singh
askIITians Faculty 5963 Points
3 years ago
Dear Student

From the question it is given that x = 3
We have,
= 3x–x–5 + 9
= 2x + 4
Then, substitute the value of x in the equation
= (2 × 3) + 4
=6 +4
= 10
​
Thanks

Think You Can Provide A Better Answer ?

Other Related Questions on 7 grade maths

View all Questions »

ASK QUESTION

Get your questions answered by the expert for free

Answer and earn gift vouchers

Win Gift vouchers upto Rs 500/-

View courses by askIITians

Design classes One-on-One in your own way with Top IITians/Medical Professionals

Click Here Know More

Complete Self Study Package designed by Industry Leading Experts

Click Here Know More

Live 1-1 coding classes to unleash the Creator in your Child

Click Here Know More

a Complete All-in-One Study package Fully Loaded inside a Tablet!

Click Here Know More