Question

resolva as equações

a- 3(x-1)=6
b-2.(x+5)=-4
c-3.(2y-5)=9
d- -8(x-1)= -16

me ajudaaa ❤️

Answer 1

Resposta:

Explicação passo-a-passo:

a) 3(x-1)=6------->3x-3=6---->3x=6+3---->3x=9---->x=9/3---->x=3

b) 2.(x+5)=-4--->2x+10=-4--->2x=-4-10---->x=(-14)/2--->x=-7

c) 3.(2y-5)=9--->6y-15=9---->6y=9+15--->y=24/6--->y=4

d) -8(x-1)=-16---->-8x+8=-16--->-8x=-24(-1)--->8x=24-->x=3