Question

A) X/2-x/4=4
B) x/2-x/4=1/2
C) x/5+x/2=7/10
D) x/3+x/3=3

Answer 1

Boa noite!

A) x/2-x/4=4/1
4x-2x=4
2x=4
x=2

B) x/2-x/4=1/2
2x-1x=2
1x=2
x=2

C) x/5+x/2=7/10
10x+25x=35
35x=35
x=1

D) x/3+x/3=3
3x+3x=27
6x=27
x=27/6

Espero ter lhe ajudado, bons estudos!