November 2018 1 13 Report

Rozwiąż równania.

a) 3x = 2

b) 3x = \frac{x}{2}

c) 3x + 1 = 7

d) 3 (x - 2) = 9

Zredaguj wyrazy podobne

a) 2x-4-8y-3x+2-\frac{1}{2}x=

b) 2z+3y-4x-2.5-y+x =

Wyłącz wspólny czynnik przed nawias.

a) 5x + 5y =

b) xy-xz+xk =

Zamień iloczyn na sumę.

2(x+y)=

\frac{1}{2}(2x+4z)=


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