1)2x=4+4-6
2x=2
x=1
2)23-5-13=x
x=5
(x-4)+(x+6)=4
x-4+x+6=4
x+x=4+4-6
x=2÷2
(1-4)+(1+6)=4
23-(x+5)=13
23-x+5=13
-x=13-23+5
-x=-5
23-(5+5)=13
1)2x=4+4-6
2x=2
x=1
2)23-5-13=x
x=5
(x-4)+(x+6)=4
x-4+x+6=4
x+x=4+4-6
2x=2
x=2÷2
x=1
(1-4)+(1+6)=4
23-(x+5)=13
23-x+5=13
-x=13-23+5
-x=-5
x=5
23-(5+5)=13