Question

DAM NAJ ALE SZZYBKO MAM 1 H
-7(x - 2) = 3x - 1
4(x - 1) = 6(1 + x)

Answer 1

Odpowiedź:

-7(x - 2) = 3x - 1

-7x + 14 = 3x - 1

-7 - 3x = -1 - 14

-10x = -15 / : (-10)

x = 3/2 = 1 ½

4(x - 1) = 6(1 + x)

4x - 4 = 6 + 6x

4x - 6x = 6 + 4

-2x = 10 / : (-2)

x = -5