Question

add 3x and 7x with step by step explaination please ​

Answer 1

Step-by-step explanation:

Remember only like terms are added or substrated

Here.

3x + 7x

both are like term of (x)

then just add its coefficient like 3 +4 =7

3x +4x = 7x

Answer 2

Answer:

3x + 7x= 10x(we can do any operation with like terms)

Hope you understood friend....