if (4x+3y):(3x+5Y) = 6:7 then please find X if y=10

1 answer

(4x+3y):(3x+5Y) = 6:7

(4x+3y) / (3x+5Y) = 6/7
28x + 21y = 18x + 30y
10x = 9y
substitute y = 10 and solve for x

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