(39-?) divided by 8 = 4

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asked Apr 2, 2016 142k views

3 votes

(39-?) divided by 8 = 4

Mathematics
middle-school

LppEdd asked

by LppEdd

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7 votes

$(39-?) \ divided \ by \ 8 \ = \ 4 \\ \\ We \ know \ 32 \ divided \ by \ 8 \ = \ 4 \\ \\ 39-32=7 \\ \\ Answer:(39-32) \ divided \ by \ 8 \ = \ 4 \ or \ \boxed{?=7} \\$

Mona answered Apr 5, 2016

by Mona

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4 votes

(39 - x) ÷ 8 = 4
Multiply by 8 on both sides
39 - x = 32
Subtract 39 from each side
- x = - 7
Divide by - 1 (when there is a negative variable)
x = 7

Evan Salter answered Apr 8, 2016

by Evan Salter

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