a.) -6x(x+3)+3=-3x
-6x-18+3=-3x
-18+3=6x-3x
-15=3x/:3
x=-3/15
b.)
4a-1=3a+3
-1-3=-4a+3a
-4=-1a/:(-1)
a=4
LUB
4a-3a+1+3
1a=4/:1
a=4/1
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a.) -6x(x+3)+3=-3x
-6x-18+3=-3x
-18+3=6x-3x
-15=3x/:3
x=-3/15
b.)
4a-1=3a+3
-1-3=-4a+3a
-4=-1a/:(-1)
a=4
LUB
4a-1=3a+3
4a-3a+1+3
1a=4/:1
a=4/1
a=4