Question

Exemple de ecuatii vreau rezolvate si cu verificari 5 ecuatii

Answer 1

1) 2x+3=11
2x=11-3
2x=8
x=8:2
x=4

2) 4x-5=15
4x=15+5
4x=20
x=20:4
x=5

3) 3x+2=1x+4
3x-1x+2=1x-1x+4
2x+2=4
2x=4
x=4:2
x=2

4) 3x+6=18
3x=18-6
3x=12
x=12:3
x=4

5) 10x-18=82
10x=18+82
10x=100
x=100:10
x= 10