7x+43•5=264 X:11+19•5=100

Question

7x+43•5=264

X:11+19•5=100

Answer 1

7х+43*5=264
7х+215=264
7х=264-215
7х=49
х=49:7
х=7
х:11+19*5=100
х:11+95=100
х:11=100-95
х:11=5
х=5*11
х=55