Odpowiedź :
1.
8·x+7+2·x=22
10x + 7 = 22
10x = 22 - 7
10x = 15 /÷10
x = 1,5, x = [tex]\frac{3}{2}[/tex]
2.
8·x-5-4·x=15
4x - 5 = 15
4x = 15 + 5
4x = 20 /÷4
x = 5
Liczę Na Naj ❤
1.
8·x+7+2·x=22
10x + 7 = 22
10x = 22 - 7
10x = 15 /÷10
x = 1,5, x = [tex]\frac{3}{2}[/tex]
2.
8·x-5-4·x=15
4x - 5 = 15
4x = 15 + 5
4x = 20 /÷4
x = 5
Liczę Na Naj ❤