Question

Va rog sa ma ajutati

Answer 1

Nu vreau sa te răspund

Answer 2

Răspuns:

1)3x+2=7;3x=5;x=5/3;

2)11/5+x=22/7;

77+35x=110;

35x=110-77=33;

x=33/35;

3)4x=8;

x=8/4=2;

4)12/17-x=15/34;

24-34x=15;

24-15=34x;

9=34x;

x=9/34;

5)6/35+x=2/7;

6+35x=10;

35x=10-6;

35x=4;

x=4/35;

6)3x-2.7=1.11;

3x=1.11+2.7;

3x=3.81;

x=1.27;

7)0.(2)x+3.5=3.75;

0.(2)x=3.75-3.5=0.25;

0.(2)x=0.25;

x=0.25/0.(2);

x=?

8)2/5x-1/2=1/10;

4x-5=1;

4x=4;

x=1;

Explicație pas cu pas: