targil5-19042020

void setup() {
  Serial.begin(9600);
  for (int x = 5; x <= 20; x += 3) {
    int y = 3 * x - 5;
    Serial.print("x=");
    Serial.print(x);
    Serial.print("   y=");
    Serial.println(y);
  }
}

void loop() {
}