Answer:
what do u need help with lol
Step-by-step explanation:
Hello :
<span>4x-5y=13...(1)
x+5y=-3...(2)
(1)+(2) : 5x = 10
x=2
subsct in (2) : 2+5y = -3
5y =-5
y = -1
</span>
Answer:
Not me
Step-by-step explanation:
im in high school lol
Answer:
x=3, z=-1, y=6
Step-by-step explanation:
you need to make the coefficients of each variable equal to each other then subtract 2 equations.
this one: multiply -4 in 1st
4x+4y+4z=32
-4x+4y+5z=7
_____________
8x+0-z=25
we have 2 equations with 2 variables now
2x+2z=4
8x-z=25
Answer:
AD||BC
Step-by-step explanation:
Given:
m∠3=m∠B
And if a traversal cuts two lines such that the corresponding angles are equal then the lines are parallel
Hence the lines AD and BC are parallel
AD||BC !