-3x-2+7x=10 please help

Answer :

Answer:

4x=12<=>x=3

Step-by-step explanation:

-3x+7x=4x

Answer:

-3

Step-by-step explanation:

-3x-2+7x=10

combine like terms

-3x+7x=10+2

-4x=12

divide

-4x/-4=12/-4

x=-3