Question

Resolava as equaçoes e responda as questoes

A) 3x=15
B) -5-3=-2x+9
C) a+3(-a+2)= -3+2a ------2
d)7Y-1,5=25-(Y+1,5)

Answer 1

A) 5 porque e 15 dividido por 3x

Answer 2

a) 3x=15
x=15÷3
x=5

b) -5-3=-2x+9
2x=9+5+3
2x=17
x=17/2

c)