Question

6X-51 = -90 4X431=12 alguien que ayúdeme xfaaaaaa ​

Answer 1

6x-51=- 90
6x= - 90+51
6x = -39
X=-39/6
X= -6,5

4x(431)=12
1724x=12
X= 12/1724
X= 0,0069