Question

Как решать уравнение х-250:5=740. И. Х+80•4=560 И 70•3-х=160 и 720:90+х=43

Answer 1

$1) \\ x - 250 \div 5 = 740 \\ x = 740 +50 \\ x = 790 \\ \\ 2) \\ x + 80 \times 4 = 560 \\ x = 560 - 320 \\ x = 240 \\ \\ 3) \\ 70 \times 3 - x = 160 \\ - x = 160 - 210 \\ -x = - 50 \\ x = 50 \\ \\ 4) \\ 720 \div 90 + x = 43 \\ x = 43 - 8 \\ x = 35$