Question

2x+1=x+7 x=?


2 (x+1)=x+7 x=?


3x-2=x+7 x=?​

Answer 1

Răspuns:

✅ EVERGREEN ✅

Explicație pas cu pas:

✅✳ 2x+1 = x+7

2x-x = 7-1

x = 6.

➖➖➖➖➖➖➖➖➖➖➖➖➖➖➖➖➖

✅✳ 2(x+1) = x+7

2x+2 = x+7

2x-x = 7-2

x = 5.

➖➖➖➖➖➖➖➖➖➖➖➖➖➖➖➖➖

✅✳ 3x-2 = x+7

3x-x = 7+2

2x = 9

x = 9 / 2 = 4,5.