Answer:
You put the numbers twice, so I can't comprehend it.
Step-by-step explanation:
Answer:
A parallelogram
Step-by-step explanation:
The opposite sides and angles are congruent.
PEMDAS applies, so it should be multiply, then divide.
Answer:
too much
Step-by-step explanation:
2x-7y=18 _(1)
-2x+4y=5
11y=23 , Y=23/11 sub in 1
2x-7×23/11=18
2x = 18×11 + 7×23
x = ( 198 + 161 )/2 = 359/2