Question

Resolva as equações a seguir:
A) 2x - 2= x + 1
B) 5x - 3= x + 21

Answer 1

a) 2x-2=×+1

2×-×=1+2

×=3

b)5×-3=×+21

5×-×=21+3

4×=24

×=24/4

×=6

Answer 2

a)

$2x - 2 = x + 1$

$2x - x = 1 + 2$

$x = 3$

b)

$5x - 3 = x + 21$

$5x - x = 21 + 3$

$4x = 24$

x=6