Posted by **Thomas** on Thursday, July 8, 2010 at 10:59pm.

solve-

7 x + 2

-- ----

24 = 12

x over 3 = 224 over 720

- Math problems -
**monster**, Thursday, July 8, 2010 at 11:11pm
GOAL: Isolate the variable (x)

Multiply both sides by 24.

7x + 2 = 288

Subtract 2 fromboth sides.

7x = 286

Divide both sides by 7.

x = 40.9

The next question is the same, but instead you can just cross multiply.

x/3 = 224/720

720x = (224)(3)

720x = 672

x = 0.93

- Math problems -
**Reiny**, Thursday, July 8, 2010 at 11:39pm
I read that as

7/24 = (x+2)/12

if so, then

24x + 48 = 84

24x = 36

x = 36/24 = 3/2

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