Answer:
20x=20
Explanation:
8x+13+12x+7
(8x+12x)+(13+7)
20x+20
x = 1.5
Since they are corresponding angles, they equal to themselves
8x + 13 = 12x + 7
Subtract 12x from both side
-4x + 13 = 7
Subtract 13 from both side
-4x = -6
Divide by -4
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