Помогите4 = -х +30 = -х +3

Question

Помогите
4 = -х +3
0 = -х +3

Comments

1) x=3-4 x=-1

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2) x=3

Answer 1

4= -x+3
x=3-4
x= -1

0= -x+3
x=3-0
x=3

Answer 2

1)-х+3=4
-х=4-3
-х=1
х=-1
2)-х+3=0
-х=-3
х=3