Answer:
C. y = 20
Step-by-step explanation:
Given system of equations:

Multiply the second equation by 3:


Subtract this from the first equation to eliminate 3y:

Solve the resulting equation for x:



Substitute the found value of x into the original second equation and solve for y:



Answer:
isn't it that a parallelogram has 6 sides and these are 4?????????............
Below are \triangle ABC△ABCtriangle, A, B, C and \triangle DEF△DEFtriangle, D, E, F. We assume that AB=DEAB=DEA, B, equals, D, E
sweet-ann [11.9K]
What does this mean i dont get it, simplify the question more
Answer:
<em>100</em>
Step-by-step explanation:
1,200 - 700 = 500
500/5 = 100
Btw, uan got to, but I would really appreciate it if u marked me brainliest cuz I need one more nd I tried
13
good job. really excelling :)