3x+3(x+18)=456 плиз,срочно!!!

Question

3x+3(x+18)=456 плиз,срочно!!!

Comments

6х+54=456: 6х=402:х=67

Answer 1

3x+3(x+18)=456
3х+3х+54=456
6х=456-54
6х=402
х=402:6
х=67
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Comments

Спасибо!!!

Answer 2

3х+3х+54=456
6х=456-54
6х=402
х=402:6
х=67

Comments

Спс!!!!!!!!!!!!!!!!!!!!!!!!!!Большое