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How do I solve that???

combine like terms and isolate x

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I dont know how to do that

x + x + x are all the same.. so add them up = 3x... same with the 4 2

is it 18?

subtract 6 from both sides... thus 3x + 6 - 6 = 84 - 6

so 3x = 78. now you need to get rid of that 3.

How?

you can divide by the coefficient of x.. in this case 3. thus 3x/3 = 78/3

that will give you x = the result of 78/3

26? :)

oh wait -26?

yep.. now check.. 26, + 28 + 30?

i dont think someone can be negative years old.

positive 26 is NOT an option :(

what?

ooh i thought it was an age question. sorry

its ok :/

and 30 doesnt work

Nope it was 30

I just got the answers

30+32+34 is 96?

good luck

thanks

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