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if AD=2x+3 and CD=x+10, what is the value of x?
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I think something's missing from this question. What do AD and CD represent?
they are congruent
answers (a)9 (b)11 (c)7 (d)15
AD = CD 2x + 3 = AD x + 10 = CD Therefore 2x + 3 = x + 10 Solve for x.
OK, so if AD=CD then sent the two statements equal \[2x+3=x+10\] and solve for x
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Move the 1x to the other side, and the 3 to the other side and the answer presents itself.
is it 7?
Very good.
Yes
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