I think that it the secound one then the fourth one then the sixth one then the first one then the fifth one then third one the eighth one then the ninth one
999 I think... let me know if that is correct:)
Answer:
3
Step-by-step explanation:
x+10=13
x+10-10=13-10
Simplfiy
x=3
Answer:
You need to solve for one variable in each equation and the substitute that in for the second equation.
Step-by-step explanation:
-7x + 12 is not an equiv. expression because one of the - signs in the original expression has been changed to +.
