Question

x+4.(x-10)=9-2.(x+3)

Answer 1

Olá !



Resolução :



X + 4(X - 10) = 9 - 2(X + 3)

X + 4X - 40 = 9 - 2X - 6

X + 4X + 2X = 9 - 6 + 40

X + 4X + 2X = 3 + 40

X + 4X + 2X = 43

X + 6X = 43

7X = 43

X = 43/7




RESPOSTA :



S = { 43/7 }