√49-15x+3x=11 Срочно

Question

√49-15x+3x=11 Срочно

Answer 1

7-15x+3x=11
-15x+3x=11
-12x=11
x=11:(-12)
x=-11
--
12

Answer 2

√49-15х+3х=11
7-15х+3х=11
7-11= 15х-3х
-4=12х
х=-4/12