Ответ:
-7.1x-2.8=-6.6-9x
-7.1х+9x=-6.6+2.8
1.9х=3.8
х=3.8÷1.9
х=38÷19
x=2
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Ответ:
-7.1x-2.8=-6.6-9x
-7.1х+9x=-6.6+2.8
1.9х=3.8
х=3.8÷1.9
х=38÷19
x=2