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Ab = x + 3, Bc = 4x + 7 and Ac = 10 Find AB and BC
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Ab = x + 3, Bc = 4x + 7 and Ac = 10 Find AB and BC

User Johannes Wentu
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AB + BC would give you AC. So, you would be able to set up the equation (x+3)+(4x+7)=10. Now it is easy to solve for x. 5x+10=10 -> x=0. Once you plug x back into the equations, you see that AB= 3 and BC=7. Hope this helps!
User Cechner
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