8х+4(13×+32)=3085(11×-31)-9×=121

Question

8х+4(13×+32)=308
5(11×-31)-9×=121

Answer 1

8х+4(13х+32)=308

8х+52х+128=308

60х+128=308

60х=308-128

60х=180

х=3

Comments

5(11x-31)-9x=121
55x-155-9x-121=0
46x-276=0
x=276/46
x=6