Question

Como se resuelve esto y=-2x+5 y=1/8x-7/2

Answer 1

2x+5 = 1/8x - 7/2
2x- 1/8x = -5-7/2
15x/8 = -17/2
15x(2) = -17(8)
30x = -136
x =-136/30
y = 2 (-136/30) +5
y = -272/30 +5
y = -122/30

Rpsta : X = -136/30 e Y = -122/30