Question

qual o valor de x tex]7 + (2x + 3) = x + 2(x + 10)[/tex]

Answer 1

7 + (2x + 3) = x + 2(x + 10)
7+2x+3=x+2x+20

2x+10=3x+20

2x-3x=20-10

-x=-10

x=-10/-1


x=10

espero ter ajudado!

boa tarde!