Question

qual a resposta de 20x+80x=30+70​

Answer 1

Resposta:

X = 1

Explicação:

$20x + 80x = 30 + 70\\100x = 100\\x = \frac{100}{100} \\x = 1$

Answer 2

Resposta:

100x=30+70

100x=100

x=100÷100

x =1