Question

Mim ajudem preciso resolver issas equações A)7×+=12+× ???B)3×+8=2×+6 ?????

Answer 1

7 x  =12+ x
7x -x= 12
6x =12
x =12/ 6
x = 2

b)3 x + 8 = 2 x+6
3 x - 2 x = - 8 +6
x = -2

Answer 2

a)
7x  = 12 + x
7x - x = 12
6x = 12
x = 12 / 6
x = 2

===
b) 

3x + 8 = 2x + 6
3x - 2x = 6 - 8
x = -2