Question

Valor de las sig incognitas x+6=12
-2x=18
4-6x=2x-20
2(2x+4)=44

Answer 1

x+6=12
X = 12-6
X = 6

-2x=18
X = 18/-2
X = - 9

4-6x=2x-20
4 +20 = 2x +6x
24 = 8x
24/8 = x
X = 3

2(2x+4)=44
4x + 8 = 44
4x = 44 - 8
X = 36/4
X = 9