Pomóżcie.. xdd
a)-3x=2x-10
b)2x-2=7-x
c)10=4-2x
a)
-3x=2x-10
-5x=-10 /:(-5)
x=2
b)
2x-2=7-x
3x=9 /:3
x=3
c)
10=4-2x
-2x=6 /:(-2)
x=-3
a) -3x=2x-10/+4x
x=6x-10/+10
10+x=6x/-x
10=5x/:5
b)2x-2=7-x/+x
3x-2=7/+2
3x=9/:3
c)10=4-2x/-4
6=-2x/*-1
6=2x/:2
3=x
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a)
-3x=2x-10
-5x=-10 /:(-5)
x=2
b)
2x-2=7-x
3x=9 /:3
x=3
c)
10=4-2x
-2x=6 /:(-2)
x=-3
a) -3x=2x-10/+4x
x=6x-10/+10
10+x=6x/-x
10=5x/:5
x=2
b)2x-2=7-x/+x
3x-2=7/+2
3x=9/:3
x=3
c)10=4-2x/-4
6=-2x/*-1
6=2x/:2
3=x