Question

O valor de X na equação 2x – 1 = 3 é:

a. 1
---
2


b. -2


c. 2


d. -1
----
²
​

Answer 1

$2x-1=3$

$2x=3+1$

$2x=4$

$x=\frac{4}{2}$

$x=2$

c. 2