Solve the following pairs of linear equations by substitution method ?
( 1 ) 2x-y=1 ; 5x+2y=25.
( 2 ) 3x + 5y =21 ; 2x-3y=14.
( 3 ) 4x+3y =25 ; 3x + 4y= 24.
Answers
Answered by
1
Answer:
( 1 ) x=3 , y=5
( 2 ) x=7 , y=0
( 3 ) x=4 , y=3
Step-by-step explanation:
Attachments:
Similar questions