90, 56, 54, 81, 72, 63, , 5, 6, 7, 8, 9, 10, Find the value of the unknown., 3, 4, 5, 6, 7, 8, 2-(-9)=, 17-(-6), 19+(-6), -7+11, -3+14, -5+9, 13+(-3), 5+5×5-5=?, 25, 5, 15, 45, 0, 35, Find the value of x., 7, 10, 100, 14, 48, 196, Find the value of x. (round your answer in two decimal places), 24.51, 24.52, 24.5, 24, 25, 25.52, Find the value of x., 3, 4, 5, 6, 7, 8, 5,10,x,20...  Find the value of x, 11, 12, 13, 14, 15, 16, -1,1,y,5,7,z... Find the value of y-z., 3, 9, 16, 12, 11, -6, 3,x,9,y... Find the value of x+y., 18, 20, 12, 15, 21, 6, What is the equation for area of trapezium?, [(a+b)h]÷2, 𝞹r2, 2𝞹r, (b×h)÷2, 𝞹r2h, (pq)÷2, 52+42=, 81, 18, 20, 31, 41, 36, 5×5-9=, 22, 32, 42, 23, 33, 43, 4b=6b-12 Find the value of b, 2, 3, 6, 4, 9, 11, 3x-8=x+2 Find the value of x, 5, 7, 9, 11, 13, 15, 3x=9y Find the possible value of x and y, x=6,y=1, x=6,y=2, x=5,y=7, x=2,y=0.5, x=1,y=3, x=2,y=2, 2x-10=0 Find the value of x, 5, 6, 7, 8, 9, 4, 25=50÷4r Find the value of r, 0.5, 1, 2, 1.5, 4, 0.8, Find the value of the last equation., 30, 25, 15, 60, 20, 40.

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