2006-10-26 02:33:08 · 9 answers · asked by ? 3 in Science & Mathematics ➔ Mathematics
got us to do your homework for you huh?
2006-10-26 02:40:42 · answer #1 · answered by jettrn 3 · 0⤊ 2⤋
4x - 5y = 42
4x - 5*2 = 42
4x = 42 + 10
4x = 52
x = 13
The value of x = 13, when y = 2
2006-10-26 02:43:37 · answer #2 · answered by aazib_1 3 · 0⤊ 0⤋
Substitute y=2:
4x - 5(2) = 42
=> 4x - 10 = 42
=> 4x = 52
Now divide by 4:
x = 52/4 = 13.
2006-10-26 02:36:36 · answer #3 · answered by James L 5 · 2⤊ 1⤋
13
2006-10-26 02:41:05 · answer #4 · answered by CHELSEA L 2 · 0⤊ 0⤋
13
2006-10-26 02:36:16 · answer #5 · answered by Brij 2 · 1⤊ 0⤋
13 is the answer. When u plug in what y is, u get (5*2) = 10. Then You add the 10 on both sides and get 4x=52. Then u divided by 4 on both sides of the equation and get x=13. Hope it help. Good luck
2006-10-26 03:36:35 · answer #6 · answered by God's Creation 2 · 0⤊ 0⤋
y=2 2times5=10
42+10=52
52divided by 4=13
13
2006-10-26 02:41:20 · answer #7 · answered by shadow 5 · 0⤊ 0⤋
4x-5y=42-------eqn 1
substitute y=2 in eqn 1
4x-5*2=42
4x-10=42
4x=42+10
4x=52
x=52/4
x=13
therefore when y=2 x=13.
2006-10-26 02:45:18 · answer #8 · answered by mehtab_47 1 · 1⤊ 0⤋
substitute the value 2 for y.
then,
4*x-(5*2)=42
4x=42+10
4x=52
x=52/4
x=13
2006-10-26 02:38:39 · answer #9 · answered by Jaaji 2 · 1⤊ 1⤋