|-2x+4|=2
For solving absolute value questions you should first solve it without any change and then multiply -1 to left side and solve it again.
-2x+4=2
-2x=-2
x=1
-1(-2x+4)=2
+2x+4=2
2x=-2
x=-1
so the equation has two answers 1 and -1.
|-2x+4|=2
For solving absolute value questions you should first solve it without any change and then multiply -1 to left side and solve it again.
-2x+4=2
-2x=-2
x=1
-1(-2x+4)=2
+2x+4=2
2x=-2
x=-1
so the equation has two answers 1 and -1.