Question

Linear Equation in 2 unknown.
solve for x+y using 4 methods.
A. Graphical Method.
B. By Elimination.
C. By Substitution
D. Determinant.

Answer 1

Equation:
3x-2y=4
4x-3y=5

Answer 2

@Broskishelleh here.

Answer 3

I'll try

Answer 4

A.(2,1)
Here is the graph

Answer 5

@Broskishelleh THE 3 METHODS? B. C. D.

Answer 6

ok, i got the B. now
(3x-2y=4) 4 = 12x -8y = 16
(4x-3y=5) 3 = 12x -9y = 17 ---- change the sign.
________________
y = 1
subtitute. 3x-2(1)= 4
3x= 2+4
3x = 6
x= 2

Answer 7

i need C. and D.

Answer 8

ok, i got all.