Question

aflati x din 2x plus 1 pe 5 = 7 pe 10 urgenttttt

Answer 1

Răspuns:

¹⁰⁾2x+²⁾1/5=7/10

20x+2=7

20x=7-2=>x=5/20=>x=1/4

Answer 2

Răspuns:

(2x + 1)/5 = 7/10

10(2x + 1) = 35

20x + 20 = 35

20x = 15

x = 15/20

x = 3/4

¹⁰⁾2x + ²⁾1/5 = 7/10

20x + 2 = 7

20x = 5

x = 5/20

x = 1/4

alege varianta care corespunde exercitiului tau