B and A will equal 180 when put together so 3x+ 53 + 6x- 35 = 180 Now we simplify and solve 3x+6x = 9x and 53-35= 18 witch is 9x + 18= 180-18= 162= 9x 162/9 finally X is 18 NOW to find A 6x9 is 54- 35= 19
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