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Monica234
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Va rog ajutatima si pe mine!

Rezolvati in Q  ecuattiile

7(x+2)-3(x-4)-x=2(x+5)+46

8(x+1)-4(x-3)-x=2(x+18)

Răspuns :

Mikigabi22gabi
7x+14-3x+12-x=2x+10+46
7x-3x-x-2x=10+46-14-12
x=30
8x+8-4x+12-x=2x+36
8x-4x-2x=36-8-12
2x=16
x=16/2
x=8
7x+14-3x+12-x=2x+10+46«=»7x-3x-x-2x=10+46-14-12«=»1x=40«=»x=40

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