Line DF I think sry if it’s wrong!
Answer: B
Explanation: if you look at A and try to combine like terms, you will add the -x on the right side the the one on the left, cancelling out the x on the left. then you have 0=x+0, and unless x=0, it is not true.
With B, when you add x to the -x, you cancel it out, giving you 0=0, which is true. hope it helps!
Answer:
B
Step-by-step explanation:
Answer:
Step-by-step explanation:
ΔQTU ≅ ΔRSU (congruent triangles)
When two triangles are congruent they will have exactly the same three sides and exactly the same three angles.
these is the case because in the case the triangle is turned, there is equal sides and angles.
Lennie used associative law of addition.
a + (b + c) = (a + b) + c
hope that helps, God bless!