If: x-32 = 8
Then: x = 40
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22080
24 = 3x x = 8Why?This is the algebraic version.1) Make the 3x into just into the variable by dividing 3 by 3 which is one and a variable is always understood algebraically as one.24 = 3x--- = 1 or x32) Do the same on both sides on if you divide by 3 on the right side, do it to the left as well.24 = 3x8 = --- --- = 1 or x3 3x = 8
Let x represent unknown number.32 = 0.4x 32 = (2/5)x32/(2/5) = xx = 80Therefore, 32 is 40% of 80 (eighty).
2880 = 2 x 2 x 2 x 2 x 2 x 2 x 3 x 3 x 5 OR 26 x32 x 5
( 4 - 3 )( x + 8 ) = x + 8Use the FOIL methodF = 4 * x = 4xO = 4 * 8 = 32I = -3 * x = -3xL = -3 * 8 = -244x - 3x + 32 - 24Next combine like terms4x - 3x = x32 - 24 = 8x + 8