Answer:
Option B) The variable Y will cancel out first.
Step-by-step explanation:
we have
5x-y=-21 ----> equation A
x+y=-3 ----> equation B
Solve by elimination
Adds equation A and equation B
5x-y=-21
x+y=-3
--------------
5x+x=-21-3 ----->variable y will be eliminated first
6x=-24
x=-4
Answer:
See explanation
Step-by-step explanation:
Statements Reasons
1. Given
2. As alternate interior angles when parallel lines AD and BC intersect by ltransversal BD
3. Given
4. Reflexive property
5. SAS postulate
6. Corresponding parts of congruent triangles are congruent
7. Inverse alternate interior angles theorem
Answer:
Step-by-step explanation:
We know that:
Remember:
450°=360°+60°
and:
Thus:
Then:
Step-by-step explanation:
10. |-41|= 41
12. -|1.5|= -1.5