Answer:
I think 12.2
Explanation:
58+(8x-18)+(4x-4) = 180
58+(-18-4)+(8x+4x) = 180
58-22+8x+4x = 180
58-22+12x = 180
36+12x = 180 1. -36 on both sides
12x = 146 2. / 12 on both sides
x = 12.2
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