>>12571033 >>12571033 lol no. Do schools not require proofs?
6 ÷ 2(1+2)
Assume X is a member of set of real numbers
6 ÷ 2(x+2)
Now what? Due to the distributive property, 2(x+2) is exactly the same as (2x + 4), and nothing will change that. You always do factorization first, because that's literally how it is written. Instead of writing 6 ÷ (2 + 4), it is simplified to 2(1+2)
So now what? what is 6 ÷ 2(x+2)?
So anyway, to those people who think the answer is 9, let's write this out:
6 ÷ 2(x+2) = 9
since x is on the bottom, we need to move it and the 9, so cross multiply and we get
6/9 = 2(x+2)
6/9 = 2x + 4
isolate
6/9 - 4 = 2x
x = 6/9 - 4
Well that's quite odd and x should be 1, shouldn't it?
let's solved for those who think the answer is 1
6 ÷ 2(x+2) = 1
6/1 = 2(x+2)
6 = 2x + 4
6-4 = 2x
x = 1
Aha! ergo, the answer to the posted picture is 1