Question

solve the following equation x+2x=9

Answer 1

Answer:

Given - x + 2x = 9

To find - solution of equation

Solution

we kbow that like terms are add or sub.

x + 2x = 9

3x = 9

x = 9/3

X = 3

More to know

on the basis of degree or solution equation can be divided in 4 types

Linear - degree 1

Quadractic - degree 2

Cubic - degree 3

Biqudratic - degree 4

On the basis of terms equation is divided into

Monomial - 1 term

binomial - 2 terms

trinomial - 3 terms

polynomial - 4 or more than 4 terms

Answer 2

Answer:

If x + 2x = 9, then x = 3

Step-by-step explanation:

Given

x + 2x = 9

x + 2x = 3x

So,

3 x = 9

x = 9/3 = 3

So the value of x in x + 2x = 9 is 3