Question

The sum of a number and ten is twenty in algebraic equation​

Answer 1

let the number be x

now,

x+10 =20

or,x=20-10

= x=10

Explanation:

number = x

sum of number and ten is twenty

so, x +10=20

Answer 2

Explanation:

Let the number be x. Then x + 10 = 20.

This is all you need to write out. But, for practice, find the solution as well.