Помогите пжл.....5)и 6)

Question

Помогите пжл.....5)и 6)

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Answer 1

8х+4(13х+32)=308
8х+52х+128=308
60х=308-128
60х=180
х=180/60
х=3

5(11х-31)-9х=121
55х-155-9х=121
46х=121+155
46х=276
х=276/46
х=6

Answer 2

5) 8x+4(13x+32)=308;
8x+52x+128=308;
60x=308-128;
60x=180;
x=3.

6) 5(11x-31)-9x=121;
55x-155-9x=121;
46х=121+155;
46х=276;
х=6.