(x+16):(5x+16)=1:4 怎样解

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(x+16):(5x+16)=1:4怎样解(x+16):(5x+16)=1:4怎样解(x+16):(5x+16)=1:4怎样解(x+16):(5x+16)=1:44(x+16)=5x+16外项积等于内

(x+16):(5x+16)=1:4 怎样解
(x+16):(5x+16)=1:4 怎样解

(x+16):(5x+16)=1:4 怎样解
(x+16):(5x+16)=1:4
4(x+16)=5x+16 外项积等于内项的积
4x+64=5x+16
x=48

5x+16=4x(X+16),展开:5X+16=4X+64,移项:X=48

(5X+16) = 4(X+16)
5X -4X =64 -16
X =48

4(x+16)=(5x+16)4x16-16=5x-4x x=48