Answer:
area blue = 10(5+2x)= 50+20x
area triangle = [30(4x-2)]/2= (120x-60)/2 = 60x-30
value of x so that the 2 areas are equal
50+20x = 60x-30
50x-60x=-30-50
-10x=-80
x=8
Explanation:
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