Question

encontre o valor de X mas equação abaixo:

A)1,25×+10=4-1,75×

B)10/3=4+×

C)0,81×+3=0,31​

Answer 1

Resposta:

a) 1,25x + 10 = 4 - 1,75x

1,25x + 1,75x = 4 - 10

3x = -6

x = -6/3

x = -2

b) 10/3=4+x

10=3(4+x)

10=12+3x

10-12=3x

x=-2/3

c) 0,81x+3=0,31

0,81x=-3+0,31

0,81x = 2,69

x≈3,32