X+(x+7)+(x+7+19)=117

Question

X+(x+7)+(x+7+19)=117

Answer 1

X+x+7+x+7+19-117=0
3x-84=0
3x=84
x=84/3
x=28

Comments

Спасибо

Answer 2

Упростим.
3х + 7 + 7 + 19 = 117
3х = 98-14
3х = 84
х = 84/3
х = 28

Comments

Спасибо