Question

4) A raiz da equação: 10x - 19 = -x + 3, é:
A) 2
B) 3
C)9
D) 10
E) 19​

Answer 1

a) 2

10x - 19 + x - 3 = 0

11x - 22 = 0

11x = 22

x = 22/11

x = 2

Answer 2

$10x - 19 = - x + 3 \\ 10x + x = 3 + 19 \\ 11 x = 22 \\ x = \frac{22}{11} \\ x = 2$