Question

x+18=2(-1-x)+8=...
6+5x=2(-3+x)=...​

Answer 1

Răspuns:

x+18=2(-1-x)+8

x+18=-2-2x+8

x+2x=-2-18+8

3x=-12

x=-4

6+5x=-6+2x

5x-2x=-6-6

3x=-12

x=-4