Question

как решить уровнения 3х+4+5х=12 , 6х+2х+4

Answer 1

3х+4+5х=12
8x + 4 = 12
8x = 12 - 4
8x = 8
x = 1

6x + 2x + 4 = 8x + 4 = 4(2x + 1)

Answer 2

3х+5х+4=12
8х+4=12
8х=12-4
8х=8
х=1