Question

Marca la solución correcta:

a- x + 4 = 7 ____ x = 3 ____ x = 4
____ x =7

b- 2.x + 20 = 46 _____ x= 46 _____ x = 13
____ x=2

c- 19 = 3.x - 2 _____ x = 12 ____ x = 32
___ x = 7

Answer 1

A)
X=7-4
X=3

B)
2X=46-20
2X=26
X=26/2
X=13

C)
3X=19+2
3X=21
X=21/3
X=7