z = 20 (6x20) + (5x20) = 20
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It is an equation and the value of x is 20
5x6 = 30 -10 = 20.
By Ratio and Proportion: 20% : 8 = 25% : N N = (8 x 25%) ÷ 20% N = 10 Answer: If 20% = 8 then 25% = 10.
4 times 4 does not equal 20, it equals 16. 5 times 6 equals 30.
Write out equation - 10y - 5x= - 20 Negate equation 10y + 5x = 20 Isolate y variable 10y = - 5x + 20 Divide equation by 10 y= -1/2x + 2