(2, 1)
4x + y = 9 so that y = 9 - 4x 7x - 8y = 6 7x - 8*(9-4x) = 6 7x - 72 + 32x = 6 39x = 78 x = 2 Then y = 9 - 4x = 9-4*2 = 9-8 = 1
If: -8y-7 = -8+8y Then: -7+8 = 8y+8y And: 16y = 1 So: y = 1/16
y = -1
The answer to the math problem -3 7x plus 7 is x equals 1/3.
(2, 1)
4x + y = 9 so that y = 9 - 4x 7x - 8y = 6 7x - 8*(9-4x) = 6 7x - 72 + 32x = 6 39x = 78 x = 2 Then y = 9 - 4x = 9-4*2 = 9-8 = 1
If: -8y-7 = -8+8y Then: -7+8 = 8y+8y And: 16y = 1 So: y = 1/16
-1
y = -1
The answer to the math problem -3 7x plus 7 is x equals 1/3.
x=1
12y + 2 or 2*(6y+ 1)
(1, -1)
3+3x+7x=13 3x+7x=10 10x=10 x=1
7x + 1 = 20 7x = 19 x = 19/7 x = 2.714285 recurring (that is, 2.714285714285..)
x=1