Question

1- Calcule o valor de x da equação 2x-2=0. *

A) x=1

B) x=22

C) x=2

D) x=11

E) x=4

2- Sabendo que x=3 calcule o valor de 3x - 2. *

A)6

B)2

C)1

D)7

E)9


me ajudem pfvrrrrrrr :)

Answer 1

1)

$2x - 2 = 0\\2x = 2\\x = \frac{2}{2}\\x = 1 \quad (a)$

2)

$3x - 2 = 3.3 - 2 = 9 -2 = 7 \quad (d)$