Question

решите уровнение:8х+4(7+8х)=4х+7

Answer 1

8х + 4(7 + 8х) = 4х + 7
8х + 28 + 32х = 4х + 7
40х + 28 = 4х + 7
40х - 4х = 7 - 28
36х = - 21
х = -21/36
х = -7/12

Answer 2

8х+28+32х=4х+7
8х+32х-4х=7-28
36х=-21
х=-7/12