Zionv1201 Zionv1201

22-01-2018
Mathematics

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Does anyone know the answer?

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bobbyv2 bobbyv2

22-01-2018

We can use the fact that ADC = 112 to form and solve an equation.

12x - 3 + 6x + 7 = 112
18x - 3 + 7 = 112 ( collect the x values)
18x + 4 = 112
18x = 108 ( subtract both sides by 4 to get the x values alone)
x = 6 ( divide both sides by 18 to get what x is)

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