Question

решите уравнение пжжж нужно

Answer 1

X*7=330-274
7x=56
X=56/7
X=8

(502-2)*a=1000
500a=1000
A=1000/500
A=2

(x+30)*5=365
5x+150=365
5x=365-150
5x=215
X=215/5
X=43

X/4=100-22
X/4=78
X=78*4
X=312

Answer 2

х+7=56
х=56-7
х=49

500•а=1000
а=1000:500
а=2

5х+600=365
5х=365-600
5х=-235
х=-235:5
х=-47

х:4=78
х=78•4
х=312