48x+64y=32
-48x+82y=-14
82=-82
y=-1
6x+8y=4
6x+8(-1)=4
6x-8=4
6x=4-8
6x=12
X=2
6x+8y=4
8x-3y=19
3 answers
Correct answer.
But
82=-82 Isn't correct.
Least Common Denominator of 6 and 8 is 24, not 48.
6 x + 8 y = 4 Multiply both sides by 4
24 x + 32 y = 16
8 x - 3 y = 19 Multiply both sides by - 3
- 24 x + 9 y = - 57
24 x + 32 y = 16
+
- 24 x + 9 y = - 57
___________________
41 y = - 41
y = - 1
6 x + 8 y = 4
6 x + 8 * ( - 1 ) = 4
6 x - 8 = 4
6 x = 4 + 8
6 x = 12
x = 2
But
82=-82 Isn't correct.
Least Common Denominator of 6 and 8 is 24, not 48.
6 x + 8 y = 4 Multiply both sides by 4
24 x + 32 y = 16
8 x - 3 y = 19 Multiply both sides by - 3
- 24 x + 9 y = - 57
24 x + 32 y = 16
+
- 24 x + 9 y = - 57
___________________
41 y = - 41
y = - 1
6 x + 8 y = 4
6 x + 8 * ( - 1 ) = 4
6 x - 8 = 4
6 x = 4 + 8
6 x = 12
x = 2
82y=-82