Question

Rezolvati ecuatiile:a) (2x-1)×2,5=14,7;b) (x+2,7):1,3=4,3;c) (0,001+x)-0,1=23,14

Answer 1

a)(2x--1)×2.5=14.7⇒5x-2.5=14.7⇒5x=14.7+2.5⇒5x=17.2⇒x=17.2/5⇒x=3.44
b)(x+2.7):1.3=4.3⇒x+2.7=4.3×1.3⇒x+2.7=5.59⇒x=5.59-2.7⇒x=2.89
c)(0.001+x)-0.1=23.14⇒0.001+x=23.14+0.1⇒0.001+x=23.24⇒x=23.24-0.001⇒x=23.239
sucees

Answer 2

a) 5x-2,5=14,7
5x=14,7+2,5
x=17,2:5
x=3,44

b) x+2,7=4,3x1,3
x=5,59-2,7
x=2,89

c)0,001+x=23,14+0,1
x=23,24-0,001
x=23,239