Question

calcați 4x-20=0 -3x-24=0 3x+5=11 2x+6=10 4x+17=9 5x+3=-27 5x+3=-72 3x+5=59 -20-4x=64​

Answer 1

Răspuns:

4x-20=0

4x=20=>x=20:4=>x=5

-3x-24=0

-3x=24=>x=-24:3=>x=-8

3x+5=11

3x=11-5=>x=6:3=>x=2

2x+6=10

2x=10-6=>x=4:2=>x=2

4x+17=9

4x=9-17=>x=-8:4=>x=-2

5x+3=-27

5x=-27-3=>x=-6

5x+3=-72

5x=-72-3=>x=-15

3x+5=59

3x=59-5=>x=18

-20-4x=64​

-4x=64+20=>x=-21