Graphically
y = 2x +1
x= 2y-5
Answers
Answered by
0
Answer:
x=1, y=3
Step-by-step explanation:
(y=2x+1)×2
2y=4x+2 equation 1
-2y=-x-5 equation 2
add 1 and 2
0=3x-3
3x=3
x=1
substitute in equation 1
2y=4+2
2y=6
y=3
Answered by
47
SOLUTION:-
•1st equation given,
y=2x+1
.°. let, x=0
y=2(0)-1
➠ y= 1
.°. let x = 1
y=2(1)-1
➠ y= -1
.°. let, x=2
y=2(2)-1
➠ y= -3
.°. let, x=3
y=2(3)-1
➠ y= -5
.°. let x= -1
y=2(-1)-1
➠ y= 4
.°. let x = -2
y=2(-2)-1
➠ y =5
• MAKE TABLE
_________________
X = 0 2 3 -1 -2 1
Y = 1 -3 -5 3 5 -1
_____________
SOLUTION 2 :-
•2nd equation given,
x=2y-5
.°. let, y=0
x=2(0)-5
➠ x = -5
.°. let y = 1
x = 2(1)-5
➠ x = -3
.°. let, y=2
x = 2(2)-5
➠ x = -1
.°. let, y=3
x = 2(3)-5
➠ x = 1
.°. let y= -1
x =2(-1)-5
➠ x = -7
.°. let y = -2
x=2(-2)-5
➠ x = -9
• MAKE TABLE
_____________
X = -5 -3 -1 1 -7 -9
Y = 0 1 2 3 -1 -2
_____________
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