Question

determine o zero da função y=2x-6

Answer 1

y=-2x-6
-2x-6=0
-2x=+6    (-1)
2x=-6
x=-6/2
x=-3

Answer 2

$y = 2x - 6 \\ 0 = 2x - 6 \\ - 2x = - 6 \: \: \: \: . \: ( - 1) \\ 2x = 6 \\ x = \frac{6}{2 } \\ \boxed{\boxed{\boxed{x = 3}}}$

att. yrz