Question

Me ajudem a resolver essa equação do 1ºgrau por favor

2 (x + 3) = 3x+ 7 (x + 4)

Answer 1

$\large\boxed{\begin{array}{l}\rm 2(x+3)=3x+7(x+4)\\\rm 2x+6=3x+7x+28\\\rm 2x-3x-7x=28-6\\\rm-8x=22\cdot(-1)\\\rm 8x=-22\\\rm x=-\dfrac{22\div2}{8\div2}\\\\\rm x=-\dfrac{11}{4}\\\\\rm S=\bigg\{\!\!\!-\dfrac{11}{4}\bigg\}\end{array}}$

Answer 2

Resposta:x= - 11/4

Explicação passo a passo: