rozwiąż równanie a)10-x=4x-10 b)16x=7x-9 c) 1-3x=3x-13
a) 10-x=4x-10
-x-4x=-10-10
-5x=-20 /(-5)
x= 4
b) 16x=7x-9
16x-7x=9
9x=9 /9
x=1
c) 1-3x=3x-13
-3x-3x=-13-1
-6x=-14 /(-6)
x=siedem trzecich
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a) 10-x=4x-10
-x-4x=-10-10
-5x=-20 /(-5)
x= 4
b) 16x=7x-9
16x-7x=9
9x=9 /9
x=1
c) 1-3x=3x-13
-3x-3x=-13-1
-6x=-14 /(-6)
x=siedem trzecich