Question

Сколько будет у-69•4=500​

Answer 1

$y-69*4=500\\ y-276=500\\ y=276+500\\ y=776$

Answer 2

$y - 69 \times4 = 500 \\ y - 276 = 500 \\ y = 500 + 276 \\ y = 776 \\766 - 69 \times 4 = 500 \\ 500 = 500$