a. -5x-5=5
B.1\2x=4=-6
c.7-2x=7x-2
d.2\3(6x-9)=12
a]
-5x-5=5
-5-5=5x
x=-10:5
x=-2
b]
½x-4=-6
½x=-6+4
½x=-2
x=-2:½
x=-4
½x+4=-6
½x=-6-4
x=-10:½
x=-20
c]
7-2x=7x-2
7+2=7x+2x
9=9x
x=9:9
x=1
d]
⅔(6x-9)=12
4x-6=12
4x=12+6
x=18:4
x=4,5
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a]
-5x-5=5
-5-5=5x
x=-10:5
x=-2
b]
½x-4=-6
½x=-6+4
½x=-2
x=-2:½
x=-4
½x+4=-6
½x=-6-4
x=-10:½
x=-20
c]
7-2x=7x-2
7+2=7x+2x
9=9x
x=9:9
x=1
d]
⅔(6x-9)=12
4x-6=12
4x=12+6
x=18:4
x=4,5
a]
-5x-5=5
-5-5=5x
x=-10:5
x=-2
b]
½x-4=-6
½x=-6+4
½x=-2
x=-2:½
x=-4
½x+4=-6
½x=-6-4
x=-10:½
x=-20
c]
7-2x=7x-2
7+2=7x+2x
9=9x
x=9:9
x=1
d]
⅔(6x-9)=12
4x-6=12
4x=12+6
x=18:4
x=4,5