4(3-6x)-6(x-2)=66?

Question

4(3-6x)-6(x-2)=66?

Answer 1

4(3-6x)-6(x-2)=66

12-24x-6x+12=66

-24x-6x+12+12=66

simplify

-30x+24=66

seprate the x'es from the real numbers

-30x=66-24

-30x=42

find the value of x

x=42/-30

x=-1.4

to prove this (not essential)

-30x+24=66

now that we know x is -1.4

subsitute -1.4 in place of x

-30(-1.4)+24=66

44+24=66

66=66

=>QED

Answer 2

12-24x-6x+12=66

24-30x=66

-30x=42

x= -42/30=  -1.4

Answer 3

12 - 24x -6x + 12 = 66

24 - 30x=66

-30x = 66 - 24

-30x = 42

-x = 42 / 30

-x = 14/10

-x = 7/5

x= -7/5

Answer 4

first answer is right

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Answer 5

what the girl said before me is exactly right!!