342,325 views
11 votes
11 votes
1+9x=80 Find for x
Kid can’t figure it out and I don’t know this stuff

User Novlette
by
3.0k points

2 Answers

14 votes
14 votes

Answer:

Explanation:

1+9x = 80

9x = 80-1

9x = 79

x = 79/9

or

x = 8 7/9

or

x ≈ 8.78 (x = about 8.78) rounded

User Azul
by
3.1k points
22 votes
22 votes

Answer:

79/9 or 8 7/9

Explanation:

1+9x=80

1 +9x = 90

Subtract 1 from each side

1+9x-1 = 80-1

9x = 79

divide by 9

9x/9 = 79/9

x = 8 7/9

User IlyaSurmay
by
3.3k points
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