Question

The opposite angles of a parallelogram are equal. Write a linear equation in two variables to represent the statement.

Answer 1

hi there,
an expression is 2xx-x=y

Answer 2

Since the opposite angles of a parallelogram are equal:-
2x+y=3-3y+100
2x+y-x+3y=100
x+4y=100

Hope this helps u.............^_^