25-06-2017
Mathematics

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Find x so that a is parallel to b

Find x so that a is parallel to b class=

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Banabanana Banabanana

25-06-2017

Consecutive Interior Angles add up to 180° so:

4x+11 + 8x+1 = 180
12x + 12 = 180
12x = 180 - 12
12x = 168
x = 14

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