Question

Решите уравнение) I4x+2I=7

Answer 1

1. 4x+2=7
4x=5
X=1,25

2. 4x+2=-7
4x=-9
X=-2,25

Answer 2

-4х+2=7
-4х=5
х=-5/4
х=-1,25

4х+2=7
4х=5
х=5/4
х=1.25