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a) -3x= 2x-10
b) 2x-2=7-x
c) 10=4-2x
a)
-3x=2x-10
5x=10
x=2
b)
2x-2=7-x
3x=9
x=3
c)
10=4-2x
-2x=6
2x=-6
x=-3
A) -3x=2x-10
-3x-2x=-10
-5x=-10/:(-5)
2x+x=7+2
3x=9/:3
10-4=-2x/:(-2)
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a)
-3x=2x-10
5x=10
x=2
b)
2x-2=7-x
3x=9
x=3
c)
10=4-2x
-2x=6
2x=-6
x=-3
A) -3x=2x-10
-3x-2x=-10
-5x=-10/:(-5)
x=2
b)
2x-2=7-x
2x+x=7+2
3x=9/:3
x=3
c)
10=4-2x
10-4=-2x/:(-2)
x=-3