Question

4x=24+x и 4(x-3)=7+12​

Answer 1

Ответ:

$1) \: 4x = 24+x\\ 4x-x = 24 \\ 3x = 24=> x=8 \\ 2) \: 4(x - 3) = 7 + 12 \\ 4x - 12 = 19 \\ 4x = 19 + 12 \\ 4x = 31 \\ x = 31 \div 4 \\ x = 7.75$