whats y=x-2 and y=-2x+7?

1 ⤊

whats y=x-2 and y=-2x+7?

2007-12-05 08:25:17 · 5 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics

5 answers

x - 2 = - 2x + 7
3x = 9
x = 3
y = 1

2007-12-05 10:19:20 · answer #1 · answered by Como 7 · 1⤊ 0⤋

Equation of 2 lines

one has a slope of 1 and the other has a slope of -2

We can solve the system of equations by substitution

x - 2 = -2x +7
3x - 2 = 7
3x=9
x=3

y=3-2
y=1

the solution (Where the two lines cross) is (3,1)

2007-12-05 16:33:21 · answer #2 · answered by Anonymous · 0⤊ 0⤋

Equations for parallel lines with slope 2.

2007-12-05 16:28:01 · answer #3 · answered by Edgar Greenberg 5 · 0⤊ 0⤋

x=3
y=1

2007-12-05 16:31:33 · answer #4 · answered by Anonymous · 0⤊ 0⤋

linear quadratic equation of the first order

2007-12-05 16:31:00 · answer #5 · answered by c687stu 2 · 0⤊ 0⤋