Question

3х+9+(х-6)+2(х+8) срочно нужно!!!​

Answer 1

Объяснение:

$3x + 9 + (x - 6) + 2(x + 8 ) = 4x + 9 - 6 + 2(x + 8) = 4x + 3 + 2(x + 8) = 4x + 3 + 2x + 16 = 6x + 3 + 16 = 6x + 19$